← The evidence ledger
Evidence row 77401
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.561.group/v1/pre-sign/conformance
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1f023f0fd7311ed1cb58d1905e052c403b95d83e2e5a10cb2ce16cf967042707
- Leaf
- 0x746eb4b645d969708f58b0946822b2966c763ce202c7c056c2cbeb4d5b68b99d
What was observed
{
"endpoints": [
[
"x402",
"https://market.561.group/v1/pre-sign/conformance"
]
],
"name": "trashpanda-pre-sign-conformance",
"owner_address": "0x32886f6f361c1d570255c2762967a2e41d0e9b1a",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a",
"scheme": "exact"
}
],
"description": "Deterministically evaluates one unsigned Base transaction against the buyer's exact policy and immutable block anchor before signing, returning a replayable clause-by-clause PASS, FAIL, or ESCALATE receipt. No keys, signatures, custody, signing, or broadcast authority are accepted.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"anchor": {
"blockHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"blockNumber": "1",
"chainId": 8453,
"type": "ImmutableBaseBlockAnchor"
},
"evidence": [],
"policy": {
"clauses": [
{
"chainId": 8453,
"id": "a-chain",
"type": "ChainIdEquals"
}
],
"type": "BasePreSignPolicy",
"version": 1
},
"receiptProfile": "full-v1",
"transaction": {
"chainId": 8453,
"data": "0x",
"gasLimit": "21000",
"nonce": "0",
"sender": "0x1111111111111111111111111111111111111111",
"to": "0x2222222222222222222222222222222222222222",
"type": "UnsignedBaseTransaction",
"valueWei": "0"
},
"type": "BasePreSignConformanceRequest",
"version": 1
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"anchorAssurance": "customer-declared-unverified",
"block": {
"hash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"number": "1"
},
"chain": {
"caip2": "eip155:8453",
"chainId": 8453
},
"clauseResults": [
{
"actual": 8453,
"clauseId": "a-chain",
"clauseType": "ChainIdEquals",
"disposition": "PASS",
"evidenceReferences": [],
"expected": 8453
}
],
"engine": {
"id": "ni:///sha-256;Hb2S8iZrnwzh6Alj7lo0iYRXy25ByoNwbHi-gwatRhU",
"version": 2
},
"evidenceAssurance": "customer-declared-unverified",
"evidenceReferences": [],
"forbiddenEffects": {
"broadcast": false,
"credentials": false,
"custody": false,
"signing": false,
"stateMutation": false
},
"id": "ni:///sha-256;NYqiNcrA_5bH1ysrXsy7hO0PzeX2NclTFkn85KCfvVk",
"policyDigest": "ni:///sha-256;KZjmKuiZr5WC3oHkQcG3xQmP0ZqOt22H1dmYTBxaPG0",
"replay": {
"engineId": "ni:///sha-256;Hb2S8iZrnwzh6Alj7lo0iYRXy25ByoNwbHi-gwatRhU",
"expectedReceiptProfile": "full-v1",
"export": "evaluateBasePreSignPolicy",
"module": "@red-cup-engineering/blockchain-trashpanda@0.1.0",
"normalizedRequest": {
"anchor": {
"blockHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"blockNumber": "1",
"chainId": 8453,
"type": "ImmutableBaseBlockAnchor"
},
"evidence": [],
"policy": {
"clauses": [
{
"chainId": 8453,
"id": "a-chain",
"type": "ChainIdEquals"
}
],
"type": "BasePreSignPolicy",
"version": 1
},
"receiptProfile": "full-v1",
"transaction": {
"chainId": 8453,
"data": "0x",
"gasLimit": "21000",
"nonce": "0",
"sender": "0x1111111111111111111111111111111111111111",
"to": "0x2222222222222222222222222222222222222222",
"type": "UnsignedBaseTransaction",
"valueWei": "0"
},
"type": "BasePreSignConformanceRequest",
"version": 1
},
"operation": "evaluateBasePreSignPolicy",
"runtime": "node>=22.18"
},
"requestDigest": "ni:///sha-256;a11hNQXJ34rZfGk823_e-4h2EOO-PF6POfwyMceH22Y",
"transactionDigest": "ni:///sha-256;Gv7Dsz1qLH7bADxe1632n4apGzl8x9EHNBrylpXi1UA",
"type": "BasePreSignPolicyConformanceReceipt",
"verdict": "PASS",
"version": 1
},
"type": "json"
}
},
"routeTemplate": "/v1/pre-sign/conformance",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"anchor": {
"description": "One immutable Base block number and hash.",
"type": "object"
},
"evidence": {
"description": "Deterministic evidence objects cited by policy clauses.",
"type": "array"
},
"policy": {
"description": "The exact deterministic policy clauses to evaluate.",
"type": "object"
},
"receiptProfile": {
"const": "full-v1"
},
"transaction": {
"description": "One unsigned Base transaction; credentials, signatures, signed transactions, custody, signing, and broadcast grants are refused.",
"type": "object"
},
"type": {
"const": "BasePreSignConformanceRequest"
},
"version": {
"const": 1
}
},
"required": [
"type",
"version",
"transaction",
"policy",
"anchor",
"evidence",
"receiptProfile"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"clauseResults": {
"type": "array"
},
"forbiddenEffects": {
"type": "object"
},
"id": {
"type": "string"
},
"type": {
"const": "BasePreSignPolicyConformanceReceipt"
},
"verdict": {
"enum": [
"PASS",
"FAIL",
"ESCALATE"
]
}
},
"required": [
"id",
"type",
"requestDigest",
"transactionDigest",
"policyDigest",
"chain",
"block",
"anchorAssurance",
"engine",
"clauseResults",
"verdict",
"evidenceReferences",
"evidenceAssurance",
"replay",
"forbiddenEffects"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"sign-in-with-x": {
"info": {
"domain": "market.561.group",
"expirationTime": "2026-10-03T02:23:16.691Z",
"issuedAt": "2026-10-03T02:18:16.691Z",
"nonce": "a52ff686b242bd7242d8008a7709e886",
"resources": [
"https://market.561.group/v1/pre-sign/conformance"
],
"statement": "Sign in to use what this wallet has been granted at market.561.group.",
"uri": "https://market.561.group/v1/pre-sign/conformance",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"address": {
"type": "string"
},
"chainId": {
"type": "string"
},
"domain": {
"type": "string"
},
"expirationTime": {
"type": "string"
},
"issuedAt": {
"type": "string"
},
"nonce": {
"type": "string"
},
"notBefore": {
"type": "string"
},
"requestId": {
"type": "string"
},
"signature": {
"type": "string"
},
"statement": {
"type": "string"
},
"type": {
"type": "string"
},
"uri": {
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"domain",
"address",
"uri",
"version",
"chainId",
"type",
"nonce",
"issuedAt",
"signature"
],
"type": "object"
},
"supportedChains": [
{
"chainId": "eip155:8453",
"type": "eip191"
}
]
}
},
"lastUpdated": "2026-10-03T02:18:16.713Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-03T02:18:16.583Z"
},
"resource": "https://market.561.group/v1/pre-sign/conformance",
"serviceName": "trashpanda-pre-sign-conformance",
"tags": [
"trashpanda-services",
"base",
"pre-sign",
"transaction-policy",
"deterministic"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Deterministically evaluates one unsigned Base transaction against the buyer's exact policy and immutable block anchor before signing, returning a replayable clause-by-clause PASS, FAIL, or ESCALATE receipt. No keys, signatures, custody, signing, or broadcast authority are accepted."
}What the leaf hashes
{"body":"1f023f0fd7311ed1cb58d1905e052c403b95d83e2e5a10cb2ce16cf967042707","id":77401,"kind":"listing","method":"baseline/1","observed_us":1793025493928847,"prev":null,"subject":"x402_bazaar:https://market.561.group/v1/pre-sign/conformance","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x746e9a71123e4d26b37da1c70e278e3e4129cade06c82b7e50685bdb4e86e676
- 0xb897cc16d5e25d76dbf70354189ca60929cf98062504689fc44144314c844c74
- 0x100ebb821aeb50f7b350f28b7a58c7d25be14da89ea4f0e4690d83615664f522
- 0x6d44441b8868648c64b98e09d41f224dafefb383646729a33de04bac9522ecd4
- 0x1d4af08b2d722d56da70bdec040bd9c2df149defa7f9ac0de624bae479382c69
- 0xb5d9d760371ee6a80cd8bd335b38fee04c078867bad42a5e10442d50416015f4
- 0x858aee9e53b18af9e4b5ff6982f227f04a60e57ff7a3386eaf46ff8c1391bd65
- 0xd69741f9790df436661df4a665375e13611c31e3cacf6bb0d7fc3f771c523cec
- 0x4536cb9b4ee0e281b6d6c4e8d838ad22d57a82596d7ecf105570e897d69cce29
- 0xeeb27e00b2f1b77815fcef94bdfe05e33ce9324a8f8948c0770868e4d010c7b9
- 0x9adfaac1e332051e6999b9b702c6d539c2d639f94fd57735f2ddd441a4b5230c
- 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
- 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
- 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
- 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae