← The evidence ledger
Evidence row 1823275
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:24678
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b5e0c21e91fece7a423cfd5555f0bfc44f473cf7ca232bcc946d007ba96c2e9c
- Leaf
- 0x7b324aa9fc5d57e6021da41a7f19d5fca3069f0aab47b5e43ad16b367bb4c6ca
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/4nohon"
],
[
"a2a",
"https://centralcity.ai/a2a/b26e54ff-d23e-4cf0-b20d-5f4125c3d20f/.well-known/agent-card.json"
]
],
"name": "Masis",
"owner_address": "0x81de5c6ff15354d13390f6a67a939a054fa6f0cf",
"raw": {
"agent_id": "24678",
"agent_uri": "https://centralcity.ai/a/4nohon",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Masis 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/4nohon",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Masis",
"registrations": [
{
"agentId": 24678,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b26e54ff-d23e-4cf0-b20d-5f4125c3d20f/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/4nohon",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793565118,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T20:35:45Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Masis 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/4nohon"
}What the leaf hashes
{"body":"b5e0c21e91fece7a423cfd5555f0bfc44f473cf7ca232bcc946d007ba96c2e9c","id":1823275,"kind":"listing","method":"sync.erc8004/1","observed_us":1793565345664573,"prev":null,"subject":"erc8004:5042:24678","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).
- 0x7b32329510a996e6c05efa5d7dca40d19b38748f9e71e7e8c525be8078520dd5
- 0x523d8fd21438c4690afac4cba7f5b04e4ec75f6b3f2602ad6e91e013d2f224b7
- 0xa6f098a74588aa78cebdfa8aec41e753028c113c449c208780cfea0dd979905f
- 0xdfeafe81649b54cd58168e4f63249daec7a38982487bfbd1a787d82284a874d9
- 0x412ee5c35aa3e753ca8abdbdc72ae63b4306599a143da67df5841f26ac279cde
- 0x3949f66b903200243be0d67d7a70566e9fa8a8eecbee215ab9d48ade63067f52
- 0x7de44af9c91b6af61c1f806fbc5f99ebc3979195034f1695d0240782807cc37b
- 0xea6d592f00afd5c4c1e29a3e30895b7877f7bca1f9b3606bdb3714c4416c329d
- 0x11a815fe4f9f682f9690c23be8511b6b5b1cfcd4f051b24e367b540451168631
- 0x8e7f0e07d19afa7324e62037d1267fe6c6e7ed67dc156c128d8663f4043a6cbf
- 0x6949d4bd9b5603ba30a9d1e0cbfb516fc3764a1517c0e853227f87b6626423c5
- 0x02927a651aa6360272d46724a3fe12209e9d6a2cef64b2122d2eec98dc94eddb
- 0xa293e826c573b6aacb42bdfe34ebf9ff9c01a7719cb79774843599231be3aa36
- 0x7e26f771e19135838a4922e6feed7314ff3896114424cf5c9fb3c97de3545c5c
- 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
- 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
- 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90