HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 1167361,
"next": "http://www.4byte.directory/api/v1/signatures/?format=api&page=80",
"previous": "http://www.4byte.directory/api/v1/signatures/?format=api&page=78",
"results": [
{
"id": 1192656,
"created_at": "2026-02-16T09:14:49.088254Z",
"text_signature": "testP256VerifyMalleableRIPPrecompile()",
"hex_signature": "0x0ddc10ae",
"bytes_signature": "\rÜ\u0010®"
},
{
"id": 1192655,
"created_at": "2026-02-16T09:14:49.085672Z",
"text_signature": "_etchVerifier(bool)",
"hex_signature": "0x8ef4c4ab",
"bytes_signature": "ôÄ«"
},
{
"id": 1192654,
"created_at": "2026-02-16T09:14:49.083530Z",
"text_signature": "_etchRIPPrecompile(bool)",
"hex_signature": "0xf184a546",
"bytes_signature": "ñ¥F"
},
{
"id": 1192653,
"created_at": "2026-02-16T09:14:49.081334Z",
"text_signature": "_etchVerifierPassthrough(bool)",
"hex_signature": "0x616af990",
"bytes_signature": "ajù"
},
{
"id": 1192652,
"created_at": "2026-02-16T09:14:49.079159Z",
"text_signature": "_etchRIPPrecompilePassthrough(bool)",
"hex_signature": "0xdd1e897e",
"bytes_signature": "Ý\u001e~"
},
{
"id": 1192651,
"created_at": "2026-02-16T09:14:49.077010Z",
"text_signature": "_etchVerifierBytecode(address,bool)",
"hex_signature": "0x1400ad75",
"bytes_signature": "\u0014\u0000u"
},
{
"id": 1192650,
"created_at": "2026-02-16T09:14:49.074582Z",
"text_signature": "_etchPassthroughBytecode(address,bool)",
"hex_signature": "0x5460d1f4",
"bytes_signature": "T`Ñô"
},
{
"id": 1192649,
"created_at": "2026-02-16T09:14:49.072063Z",
"text_signature": "testSafeCastInt256ToIntBench()",
"hex_signature": "0xfa78f024",
"bytes_signature": "úxð$"
},
{
"id": 1192648,
"created_at": "2026-02-16T09:14:49.069756Z",
"text_signature": "testSafeCastToUint256(int256)",
"hex_signature": "0x215f791a",
"bytes_signature": "!_y\u001a"
},
{
"id": 1192647,
"created_at": "2026-02-16T09:14:49.067270Z",
"text_signature": "testSafeCastToInt256(uint256)",
"hex_signature": "0x80e757ca",
"bytes_signature": "çWÊ"
},
{
"id": 1192646,
"created_at": "2026-02-16T09:14:49.064799Z",
"text_signature": "testSafeCastUint256ToInt256Bench()",
"hex_signature": "0x6bd6cc01",
"bytes_signature": "kÖÌ\u0001"
},
{
"id": 1192645,
"created_at": "2026-02-16T09:14:49.062803Z",
"text_signature": "testSafeCastUint256ToInt(uint256,uint256)",
"hex_signature": "0x4e449831",
"bytes_signature": "ND1"
},
{
"id": 1192644,
"created_at": "2026-02-16T09:14:49.060689Z",
"text_signature": "testSafeCastUint256ToIntBench()",
"hex_signature": "0x1085f0a4",
"bytes_signature": "\u0010
ð¤"
},
{
"id": 1192643,
"created_at": "2026-02-16T09:14:49.058608Z",
"text_signature": "testSafeCastInt256ToInt(int256,uint256)",
"hex_signature": "0x100f4f35",
"bytes_signature": "\u0010\u000fO5"
},
{
"id": 1192642,
"created_at": "2026-02-16T09:14:49.056758Z",
"text_signature": "testSafeCastInt256ToIntTrickEquivalence(int256)",
"hex_signature": "0x6536927b",
"bytes_signature": "e6{"
},
{
"id": 1192641,
"created_at": "2026-02-16T09:14:49.054717Z",
"text_signature": "check_SafeCastInt256ToIntTrickEquivalence(int256)",
"hex_signature": "0x910dca8e",
"bytes_signature": "\rÊ"
},
{
"id": 1192640,
"created_at": "2026-02-16T09:14:49.052697Z",
"text_signature": "testSafeCastUint256ToUintBench()",
"hex_signature": "0x30427661",
"bytes_signature": "0Bva"
},
{
"id": 1192639,
"created_at": "2026-02-16T09:14:49.050690Z",
"text_signature": "testSafeCastUintToUint(uint256,uint256)",
"hex_signature": "0xb933dcbe",
"bytes_signature": "¹3ܾ"
},
{
"id": 1192638,
"created_at": "2026-02-16T09:14:49.048486Z",
"text_signature": "toInt248(uint256)",
"hex_signature": "0xda268506",
"bytes_signature": "Ú&
\u0006"
},
{
"id": 1192637,
"created_at": "2026-02-16T09:14:49.046452Z",
"text_signature": "toInt240(uint256)",
"hex_signature": "0x4644fa34",
"bytes_signature": "FDú4"
},
{
"id": 1192636,
"created_at": "2026-02-16T09:14:49.044388Z",
"text_signature": "toInt232(uint256)",
"hex_signature": "0x6b734252",
"bytes_signature": "ksBR"
},
{
"id": 1192635,
"created_at": "2026-02-16T09:14:49.042192Z",
"text_signature": "toInt224(uint256)",
"hex_signature": "0x622b573b",
"bytes_signature": "b+W;"
},
{
"id": 1192634,
"created_at": "2026-02-16T09:14:49.040044Z",
"text_signature": "toInt216(uint256)",
"hex_signature": "0xe703fb5c",
"bytes_signature": "ç\u0003û\\"
},
{
"id": 1192633,
"created_at": "2026-02-16T09:14:49.038146Z",
"text_signature": "toInt208(uint256)",
"hex_signature": "0x1f01b061",
"bytes_signature": "\u001f\u0001°a"
},
{
"id": 1192632,
"created_at": "2026-02-16T09:14:49.036240Z",
"text_signature": "toInt200(uint256)",
"hex_signature": "0x182fb3e7",
"bytes_signature": "\u0018/³ç"
},
{
"id": 1192631,
"created_at": "2026-02-16T09:14:49.034033Z",
"text_signature": "toInt192(uint256)",
"hex_signature": "0x18034c65",
"bytes_signature": "\u0018\u0003Le"
},
{
"id": 1192630,
"created_at": "2026-02-16T09:14:49.031228Z",
"text_signature": "toInt184(uint256)",
"hex_signature": "0xb31135cf",
"bytes_signature": "³\u00115Ï"
},
{
"id": 1192629,
"created_at": "2026-02-16T09:14:49.028741Z",
"text_signature": "toInt176(uint256)",
"hex_signature": "0x24290279",
"bytes_signature": "$)\u0002y"
},
{
"id": 1192628,
"created_at": "2026-02-16T09:14:49.026484Z",
"text_signature": "toInt168(uint256)",
"hex_signature": "0xf760d5f6",
"bytes_signature": "÷`Õö"
},
{
"id": 1192627,
"created_at": "2026-02-16T09:14:49.023574Z",
"text_signature": "toInt160(uint256)",
"hex_signature": "0x303b3d13",
"bytes_signature": "0;=\u0013"
},
{
"id": 1192626,
"created_at": "2026-02-16T09:14:49.021179Z",
"text_signature": "toInt152(uint256)",
"hex_signature": "0x5bdd9969",
"bytes_signature": "[Ýi"
},
{
"id": 1192625,
"created_at": "2026-02-16T09:14:49.019134Z",
"text_signature": "toInt144(uint256)",
"hex_signature": "0x572af2f0",
"bytes_signature": "W*òð"
},
{
"id": 1192624,
"created_at": "2026-02-16T09:14:49.016748Z",
"text_signature": "toInt136(uint256)",
"hex_signature": "0xbdeff06b",
"bytes_signature": "½ïðk"
},
{
"id": 1192623,
"created_at": "2026-02-16T09:14:49.014196Z",
"text_signature": "toInt120(uint256)",
"hex_signature": "0xa2d7d122",
"bytes_signature": "¢×Ñ\""
},
{
"id": 1192622,
"created_at": "2026-02-16T09:14:49.012117Z",
"text_signature": "toInt112(uint256)",
"hex_signature": "0xb9c812e0",
"bytes_signature": "¹È\u0012à"
},
{
"id": 1192621,
"created_at": "2026-02-16T09:14:49.010103Z",
"text_signature": "toInt104(uint256)",
"hex_signature": "0x5aa3fc8e",
"bytes_signature": "Z£ü"
},
{
"id": 1192620,
"created_at": "2026-02-16T09:14:49.007838Z",
"text_signature": "toInt96(uint256)",
"hex_signature": "0x7d607fcf",
"bytes_signature": "}`Ï"
},
{
"id": 1192619,
"created_at": "2026-02-16T09:14:49.005704Z",
"text_signature": "toInt88(uint256)",
"hex_signature": "0xbc1db715",
"bytes_signature": "¼\u001d·\u0015"
},
{
"id": 1192618,
"created_at": "2026-02-16T09:14:49.003415Z",
"text_signature": "toInt80(uint256)",
"hex_signature": "0x31609a9c",
"bytes_signature": "1`"
},
{
"id": 1192617,
"created_at": "2026-02-16T09:14:49.000964Z",
"text_signature": "toInt72(uint256)",
"hex_signature": "0xd0fb16f3",
"bytes_signature": "Ðû\u0016ó"
},
{
"id": 1192616,
"created_at": "2026-02-16T09:14:48.998654Z",
"text_signature": "toInt64(uint256)",
"hex_signature": "0x15b3dc1c",
"bytes_signature": "\u0015³Ü\u001c"
},
{
"id": 1192615,
"created_at": "2026-02-16T09:14:48.996487Z",
"text_signature": "toInt56(uint256)",
"hex_signature": "0xeb1df8c7",
"bytes_signature": "ë\u001døÇ"
},
{
"id": 1192614,
"created_at": "2026-02-16T09:14:48.994360Z",
"text_signature": "toInt48(uint256)",
"hex_signature": "0x6002c2f6",
"bytes_signature": "`\u0002Âö"
},
{
"id": 1192613,
"created_at": "2026-02-16T09:14:48.992140Z",
"text_signature": "toInt40(uint256)",
"hex_signature": "0xc998fcbd",
"bytes_signature": "Éü½"
},
{
"id": 1192612,
"created_at": "2026-02-16T09:14:48.989795Z",
"text_signature": "toInt32(uint256)",
"hex_signature": "0xe02c0983",
"bytes_signature": "à,\t"
},
{
"id": 1192611,
"created_at": "2026-02-16T09:14:48.987068Z",
"text_signature": "toInt24(uint256)",
"hex_signature": "0x6e617935",
"bytes_signature": "nay5"
},
{
"id": 1192610,
"created_at": "2026-02-16T09:14:48.984666Z",
"text_signature": "toInt16(uint256)",
"hex_signature": "0x211bc99f",
"bytes_signature": "!\u001bÉ"
},
{
"id": 1192609,
"created_at": "2026-02-16T09:14:48.982120Z",
"text_signature": "toInt8(uint256)",
"hex_signature": "0x20f64700",
"bytes_signature": " öG\u0000"
},
{
"id": 1192608,
"created_at": "2026-02-16T09:14:48.943305Z",
"text_signature": "_checkpointUpperLookupRecent(uint256,uint256)",
"hex_signature": "0xe0b45eb6",
"bytes_signature": "à´^¶"
},
{
"id": 1192607,
"created_at": "2026-02-16T09:14:48.941069Z",
"text_signature": "_checkpointLatest(uint256)",
"hex_signature": "0xa59f0933",
"bytes_signature": "¥\t3"
},
{
"id": 1192606,
"created_at": "2026-02-16T09:14:48.938965Z",
"text_signature": "_checkpointPushDiff(uint256,uint256,uint256,bool)",
"hex_signature": "0x74bccb6c",
"bytes_signature": "t¼Ël"
},
{
"id": 1192605,
"created_at": "2026-02-16T09:14:48.936636Z",
"text_signature": "checkpointPushDiff(uint256,uint256,uint256,bool)",
"hex_signature": "0xf14e4631",
"bytes_signature": "ñNF1"
},
{
"id": 1192604,
"created_at": "2026-02-16T09:14:48.934325Z",
"text_signature": "_checkpointAt(uint256,uint256)",
"hex_signature": "0xbaae398d",
"bytes_signature": "º®9"
},
{
"id": 1192603,
"created_at": "2026-02-16T09:14:48.932096Z",
"text_signature": "_checkpointLatestKey(uint256)",
"hex_signature": "0x9adabfdb",
"bytes_signature": "Ú¿Û"
},
{
"id": 1192602,
"created_at": "2026-02-16T09:14:48.929916Z",
"text_signature": "_checkpointLatestOriginal()",
"hex_signature": "0x9db5aff9",
"bytes_signature": "µ¯ù"
},
{
"id": 1192601,
"created_at": "2026-02-16T09:14:48.927725Z",
"text_signature": "_checkpointLatestKeyOriginal()",
"hex_signature": "0x576310b7",
"bytes_signature": "Wc\u0010·"
},
{
"id": 1192600,
"created_at": "2026-02-16T09:14:48.925666Z",
"text_signature": "_checkpointPushDiffOriginal(uint256,uint256,bool)",
"hex_signature": "0x50976476",
"bytes_signature": "Pdv"
},
{
"id": 1192599,
"created_at": "2026-02-16T09:14:48.923305Z",
"text_signature": "_checkpointUpperLookupRecentOriginal(uint256)",
"hex_signature": "0x82c66047",
"bytes_signature": "Æ`G"
},
{
"id": 1192598,
"created_at": "2026-02-16T09:14:48.921056Z",
"text_signature": "_checkCheckpointUpperLookupRecent(uint256)",
"hex_signature": "0xab1822de",
"bytes_signature": "«\u0018\"Þ"
},
{
"id": 1192597,
"created_at": "2026-02-16T09:14:48.918966Z",
"text_signature": "_checkCheckpoints(uint256)",
"hex_signature": "0xc30976b3",
"bytes_signature": "Ã\tv³"
},
{
"id": 1192596,
"created_at": "2026-02-16T09:14:48.916798Z",
"text_signature": "testCheckpointDifferential(uint256,uint256)",
"hex_signature": "0xf5f4c48f",
"bytes_signature": "õôÄ"
},
{
"id": 1192595,
"created_at": "2026-02-16T09:14:48.914800Z",
"text_signature": "testCheckpointPush(uint256)",
"hex_signature": "0xb02aa9f1",
"bytes_signature": "°*©ñ"
},
{
"id": 1192594,
"created_at": "2026-02-16T09:14:48.912767Z",
"text_signature": "_smallSqrtApprox(uint256)",
"hex_signature": "0xeac4e780",
"bytes_signature": "êÄç"
},
{
"id": 1192593,
"created_at": "2026-02-16T09:14:48.910647Z",
"text_signature": "testSmallSqrtApprox(uint32)",
"hex_signature": "0x9049a8e6",
"bytes_signature": "I¨æ"
},
{
"id": 1192592,
"created_at": "2026-02-16T09:14:48.908385Z",
"text_signature": "testClockTrick(uint48)",
"hex_signature": "0x963be363",
"bytes_signature": ";ãc"
},
{
"id": 1192591,
"created_at": "2026-02-16T09:14:48.905912Z",
"text_signature": "_advanceBlockNumber()",
"hex_signature": "0x67093588",
"bytes_signature": "g\t5"
},
{
"id": 1192590,
"created_at": "2026-02-16T09:14:48.903401Z",
"text_signature": "_checkCheckpointAt(address,uint256,uint256,uint256)",
"hex_signature": "0x0d3fc7f8",
"bytes_signature": "\r?Çø"
},
{
"id": 1192589,
"created_at": "2026-02-16T09:14:48.901478Z",
"text_signature": "testMintTransferBurnDelegate()",
"hex_signature": "0x3398f076",
"bytes_signature": "3ðv"
},
{
"id": 1192588,
"created_at": "2026-02-16T09:14:48.899104Z",
"text_signature": "testSetAndGetDelegate(address,address)",
"hex_signature": "0x3de2612a",
"bytes_signature": "=âa*"
},
{
"id": 1192587,
"created_at": "2026-02-16T09:14:48.895772Z",
"text_signature": "lazyShuffler1Get(uint256)",
"hex_signature": "0x67a22035",
"bytes_signature": "g¢ 5"
},
{
"id": 1192586,
"created_at": "2026-02-16T09:14:48.893598Z",
"text_signature": "lazyShuffler0Get(uint256)",
"hex_signature": "0x337ff152",
"bytes_signature": "3ñR"
},
{
"id": 1192585,
"created_at": "2026-02-16T09:14:48.891423Z",
"text_signature": "lazyShufflerNext(uint256)",
"hex_signature": "0x2439cc84",
"bytes_signature": "$9Ì"
},
{
"id": 1192584,
"created_at": "2026-02-16T09:14:48.889366Z",
"text_signature": "lazyShufflerGrow(uint256)",
"hex_signature": "0x1e071ecb",
"bytes_signature": "\u001e\u0007\u001eË"
},
{
"id": 1192583,
"created_at": "2026-02-16T09:14:48.887092Z",
"text_signature": "lazyShufflerInitialize(uint256)",
"hex_signature": "0x75c3e6ad",
"bytes_signature": "uÃæ"
},
{
"id": 1192582,
"created_at": "2026-02-16T09:14:48.884872Z",
"text_signature": "testLazyShufflerRevertsOnFinshedNext(uint256)",
"hex_signature": "0x3b2506b2",
"bytes_signature": ";%\u0006²"
},
{
"id": 1192581,
"created_at": "2026-02-16T09:14:48.882391Z",
"text_signature": "testLazyShufflerRevertsOnZeroLengthNext()",
"hex_signature": "0xa1ed6ec1",
"bytes_signature": "¡ínÁ"
},
{
"id": 1192580,
"created_at": "2026-02-16T09:14:48.880112Z",
"text_signature": "testLazyShufflerRevertsOnDoubleInit()",
"hex_signature": "0xedec6a10",
"bytes_signature": "íìj\u0010"
},
{
"id": 1192579,
"created_at": "2026-02-16T09:14:48.877799Z",
"text_signature": "testLazyShufflerRevertsOnGrowWithInvalidLength(uint256,uint256)",
"hex_signature": "0x5c9f8c8a",
"bytes_signature": "\\"
},
{
"id": 1192578,
"created_at": "2026-02-16T09:14:48.874282Z",
"text_signature": "testLazyShufflerRevertsOnInitWithInvalidLength(uint256)",
"hex_signature": "0xfe2cfa66",
"bytes_signature": "þ,úf"
},
{
"id": 1192577,
"created_at": "2026-02-16T09:14:48.870984Z",
"text_signature": "testLazyShufflerRestart()",
"hex_signature": "0x88195371",
"bytes_signature": "\u0019Sq"
},
{
"id": 1192576,
"created_at": "2026-02-16T09:14:48.868091Z",
"text_signature": "testLazyShufflerGetOutOfBoundsReverts(uint256,uint256)",
"hex_signature": "0xa515039b",
"bytes_signature": "¥\u0015\u0003"
},
{
"id": 1192575,
"created_at": "2026-02-16T09:14:48.864544Z",
"text_signature": "testLazyShufflerGet()",
"hex_signature": "0xe646954c",
"bytes_signature": "æFL"
},
{
"id": 1192574,
"created_at": "2026-02-16T09:14:48.861490Z",
"text_signature": "testLazyShufflerNoStorageCollisions()",
"hex_signature": "0x1b599305",
"bytes_signature": "\u001bY\u0005"
},
{
"id": 1192573,
"created_at": "2026-02-16T09:14:48.858387Z",
"text_signature": "testLazyShufflerProducesShuffledRangeWithGrow(uint256,uint256)",
"hex_signature": "0xd132dc0f",
"bytes_signature": "Ñ2Ü\u000f"
},
{
"id": 1192572,
"created_at": "2026-02-16T09:14:48.855048Z",
"text_signature": "testLazyShufflerProducesShuffledRange2()",
"hex_signature": "0xb14d6ae0",
"bytes_signature": "±Mjà"
},
{
"id": 1192571,
"created_at": "2026-02-16T09:14:48.851835Z",
"text_signature": "testLazyShufflerProducesShuffledRange(uint256)",
"hex_signature": "0x588c6a31",
"bytes_signature": "Xj1"
},
{
"id": 1192570,
"created_at": "2026-02-16T09:14:48.848620Z",
"text_signature": "testExponentialWad()",
"hex_signature": "0x7ded2d4f",
"bytes_signature": "}í-O"
},
{
"id": 1192569,
"created_at": "2026-02-16T09:14:48.845065Z",
"text_signature": "testStandardNormalWad()",
"hex_signature": "0xca2e8c4d",
"bytes_signature": "Ê.M"
},
{
"id": 1192568,
"created_at": "2026-02-16T09:14:48.841640Z",
"text_signature": "_stepLCG(uint256)",
"hex_signature": "0x1b3ba2e0",
"bytes_signature": "\u001b;¢à"
},
{
"id": 1192567,
"created_at": "2026-02-16T09:14:48.838443Z",
"text_signature": "testPRNGGas()",
"hex_signature": "0x38c1ec98",
"bytes_signature": "8Áì"
},
{
"id": 1192566,
"created_at": "2026-02-16T09:14:48.835393Z",
"text_signature": "testLCGGas()",
"hex_signature": "0x8946bcbf",
"bytes_signature": "F¼¿"
},
{
"id": 1192565,
"created_at": "2026-02-16T09:14:48.832163Z",
"text_signature": "testPRNGShuffleBytes()",
"hex_signature": "0xccb0b4ec",
"bytes_signature": "Ì°´ì"
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