← The evidence ledger
Evidence row 2536
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:hash-openverbs-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cb20b4c86f48faa9612c7a322a85725217ef43d848bdd3fe4e95e9b2afa3530f
- Leaf
- 0x000456e6a1c01f304375d2c05674d6c9940458e2916c75ae86572e9d7e106881
What was observed
{
"endpoints": [
[
"x402",
"https://hash.openverbs.com/v1/hash"
],
[
"x402",
"https://hash.openverbs.com/v1/hmac"
]
],
"name": "hash.openverbs.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "hash.openverbs.com",
"endpoints": [
{
"description": "Compute a cryptographic digest (SHA-2, SHA-3, BLAKE2, and legacy SHA-1/MD5/RIPEMD-160) of some data. The input may be utf8/hex/base64/base64url and the digest is returned as hex/base64/base64url.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "sha256",
"group": "body",
"name": "algorithm",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "example",
"group": "body",
"name": "data",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "utf8",
"group": "body",
"name": "inputEncoding",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "hex",
"group": "body",
"name": "outputEncoding",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Hash data",
"tags": [
"hash data",
"sha256 hash",
"compute digest",
"md5 checksum api",
"sha3 digest"
],
"url": "https://hash.openverbs.com/v1/hash"
},
{
"description": "Compute a keyed HMAC of some data with a secret key — the standard way to sign and verify webhooks (Stripe, GitHub, etc.) and API requests. Data and key may each be utf8/hex/base64/base64url; the tag is returned as hex/base64/base64url.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "sha256",
"group": "body",
"name": "algorithm",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "example",
"group": "body",
"name": "data",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "utf8",
"group": "body",
"name": "inputEncoding",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "example",
"group": "body",
"name": "key",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "utf8",
"group": "body",
"name": "keyEncoding",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "HMAC data",
"tags": [
"hmac signature",
"sign webhook payload",
"verify webhook hmac",
"keyed hash api",
"hmac sha256"
],
"url": "https://hash.openverbs.com/v1/hmac"
}
],
"enriched": false,
"iconUrl": "",
"id": "hash-openverbs-com",
"integrationType": "",
"isNew": false,
"name": "hash.openverbs.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.002",
"currency": "USDC",
"maxAmount": "0.002",
"minAmount": "0.002"
},
"provider": "hash.openverbs.com",
"providerUrl": "",
"serviceName": "H",
"tags": [
"hash data",
"sha256 hash",
"compute digest",
"md5 checksum api",
"sha3 digest",
"hmac signature",
"sign webhook payload",
"verify webhook hmac",
"keyed hash api",
"hmac sha256"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"cb20b4c86f48faa9612c7a322a85725217ef43d848bdd3fe4e95e9b2afa3530f","id":2536,"kind":"listing","method":"baseline/1","observed_us":1793025266895441,"prev":null,"subject":"agentic_market:hash-openverbs-com","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).
- 0x0004d769a8a7bfeb47985215eeaaf5a6f7ea65270c6b84e96bffcebb50330742
- 0xc2f5a7cf18521b827a511b06313ab6f482156b13cd0d0db0f34c2c7fde81b26e
- 0x0571b46904cd0af73731314a5da51dcd8523104a0bc74afbe49550fbf6b68d5e
- 0xcf54eb9d80270a6408a2d73d9dcc128f59cc6eccedef99f49bec466fd23ec151
- 0xee2e8a86eac691918094b31e3e901f56f9b29bf8e5e8f6fe4a4172e9c9dd56c5
- 0xcb7253c1d0c28e161e3a670252420cb5414151d562e0f9bcb9a64b1e7bd6b953
- 0xcfc46ef568437911367ba1b1afa843a5d9a48b68206088908da5918c57381255
- 0x2480be7d146068d33caa5cc6ecd9ab13468a6b77b62ae6381d51206e8e8b6f46
- 0x03a8693a1a5f22f80e75c46e4f7a7b4cceff668157061fd9f5f52b61f4f2cbf1
- 0x7094d92de7a12bcbbda85e50fc32f691417f03c7bbec9f4fd2cd0dd2d72f4104
- 0x27552701eb5162e9111d06653c360295d04e5cdfe261fe843f9c0fb27ab44c3b
- 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
- 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae