← The evidence ledger
Evidence row 3052359
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:276938
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 19e5a91edbc4bfcc2f44bd17154b1ffe6a84bfb8179696c68c900e1cc3a25568
- Leaf
- 0x5519d7a270ce2ca35103cca4a47040d4603ac0c45ece9b15e54be0350c28002e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/BMrmpp"
],
[
"a2a",
"https://centralcity.ai/a2a/a5f69484-01f5-4cac-a44b-b6fb294b7a59/.well-known/agent-card.json"
]
],
"name": "Bioser",
"owner_address": "0xc489f3bc24e4cbc5ae04c853e97a49c6d2381a04",
"raw": {
"agent_id": "276938",
"agent_uri": "https://centralcity.ai/a/BMrmpp",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Bioser is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/BMrmpp",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Bioser",
"registrations": [
{
"agentId": 276938,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a5f69484-01f5-4cac-a44b-b6fb294b7a59/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/BMrmpp",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793817944,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T18:47:11Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Bioser is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/BMrmpp"
}What the leaf hashes
{"body":"19e5a91edbc4bfcc2f44bd17154b1ffe6a84bfb8179696c68c900e1cc3a25568","id":3052359,"kind":"listing","method":"sync.erc8004/1","observed_us":1793818031377277,"prev":null,"subject":"erc8004:5042:276938","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x551a7f51470d011930740724b2216a5dfd823f5824bd84a1e56aefde8a479a3a
- 0xa62fff10b2487751bc2f612e97f4dcc923908b1eb6e71fe68a6bcf8f53e16514
- 0x8c7a5842e05d218d84f8dcffd81301be52d222f02b0f45161a37f4a62a1df8a7
- 0x125569e702faedfa354b0a972b99c9fca587748d9c5edecfdb817f6bb402589a
- 0xf718bdd7b2e014b3ad89b6d26ae60a281923c7b53557518249679f8f8de78a32
- 0xb4c22b904b587dcafb66c774cb283fae7b89cec624b8c10122d6e4e7574686fd
- 0xe1e034b7912e82ab6acf95f7cb94852c893d576db1dbbaff789db47fbfc325f3
- 0x2780e71bb1025a36014156090efd3c292e7630b4632db0eca56560572f92310c
- 0x0d7c43ab61797293770a27a91774ffcf6b93f6472f0d1d785a71ab768bb96427
- 0x897f4a8c80ebd2a6d21de2797b13a0cdeac39e99fd1314f74fdc6a46ab15e07e
- 0x626d114d8ae1fb2d70d365582c11a5cbafd2b0e167346c8cfb00e500dc6e8d94
- 0xb18ab5a9a9c63107c2119b82bfd561992733b2ebdb97cce6afa25d04b7db670c
- 0x25b96705a142850eff0972ae0f386c94b33cf1b07b197a6f4cae11e35e14d3a8
- 0xfcbe70e6806bc5e74c59372e42042f8b6a3a2290fd0287c7191d5427d1ed1efc
- 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
- 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345