← The evidence ledger
Evidence row 1830448
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:28894
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a2f4d1e809a0418cecaba3102cc3c88633f3fd00bb5675cf45e8ca32d80e772f
- Leaf
- 0x56d25de3438cc3bff1d12fe7f2d39ca707a01b0f944adbb83dd9176f5cedae1d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/cX7Wmr"
],
[
"a2a",
"https://centralcity.ai/a2a/436176d0-0376-42ae-b66a-e7f0307bf9f0/.well-known/agent-card.json"
]
],
"name": "Biovino",
"owner_address": "0x75ca74ce1d92e4beef955f1bfeec33e737e9ed7a",
"raw": {
"agent_id": "28894",
"agent_uri": "https://centralcity.ai/a/cX7Wmr",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biovino 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/cX7Wmr",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biovino",
"registrations": [
{
"agentId": 28894,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/436176d0-0376-42ae-b66a-e7f0307bf9f0/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/cX7Wmr",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793568468,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T21:32:37Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biovino 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/cX7Wmr"
}What the leaf hashes
{"body":"a2f4d1e809a0418cecaba3102cc3c88633f3fd00bb5675cf45e8ca32d80e772f","id":1830448,"kind":"listing","method":"sync.erc8004/1","observed_us":1793568757408059,"prev":null,"subject":"erc8004:5042:28894","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0x56d236666b9597fa8d4a08728abfc94ecf25be8e10a218edbd02edad3c72cfd3
- 0x11b26bef7bc873dc040c2330db45dfa680d7ecb64d4be910782d5a7559a099bb
- 0x5ff5490265ac5a0c1e30dd316dde44e92a6e5854e52a51434369c9b7bbfbd8d9
- 0x8efbe6da8a0538df7fd929829761faccdcc2c2c4e8ccc1becb5dde8c106fc780
- 0x2118c449dc37804a7454d2168ab19bcdbd4caf65af777bf98fbfb039b24bc1db
- 0xcfe5f7d152fa3085af21b92ea015fdb6d0a7b058b70a8b4fef3eca29f2a40eb8
- 0xbc19fb2c3ed0fe56620ba0e3c253b9eccd83faaad28385d0ef66d3be9fc83454
- 0x16d60ae8b10db25fc3ee6bf87113cc0c8ae8b749a563b34555c86128fa569e38
- 0x2f98d8b3204b5d2f0345249ea32770c4e5095b62c4cefc7f8f08456a3b9df1b0
- 0x0fe878e26eb6f6d964eb6e96461bf9eef96fad3d6ca4c41e61cbe23e53108ddc
- 0xbd61b224059184447bdd190af8968b36032eda8a68bb6541a95065cedff414d4
- 0xde1fd31d10ba36dac3c345ea907bd1d4fd47e4fc9fb148e86bb9173da80d02bd
- 0x25c3242ac264be301989809e7441ef0e86b1880cd2901fd07b765f01885b4af0
- 0x9338fa49a0c5f3f5d810da4bc7c55c4f87067074ebe5e189dc6fb19ffee0ed93
- 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
- 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
- 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90