← The evidence ledger
Evidence row 2082912
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:72988
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b073179c44ce1a3765c7690018c08964d5040efb2c84f107a1d4c456e9d655a5
- Leaf
- 0xf21d969412fac4494a136269412b89f856dadd6ee533d69c16b8ceecb6c002d8
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/8wxvmi"
],
[
"a2a",
"https://centralcity.ai/a2a/7cf83c50-5075-49f2-be93-3daf2a52a871/.well-known/agent-card.json"
]
],
"name": "Maasano",
"owner_address": "0x59bc8b4ea2dbcb9ee322b0f16a740438f790bb92",
"raw": {
"agent_id": "72988",
"agent_uri": "https://centralcity.ai/a/8wxvmi",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Maasano 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/8wxvmi",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Maasano",
"registrations": [
{
"agentId": 72988,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/7cf83c50-5075-49f2-be93-3daf2a52a871/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/8wxvmi",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793603946,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T07:22:27Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Maasano 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/8wxvmi"
}What the leaf hashes
{"body":"b073179c44ce1a3765c7690018c08964d5040efb2c84f107a1d4c456e9d655a5","id":2082912,"kind":"listing","method":"sync.erc8004/1","observed_us":1793604147477859,"prev":null,"subject":"erc8004:5042:72988","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xf21d9d892651d5ada828f1db3201f0d0e06bd2a52d4df0ca791d15a58619f243
- 0x9f490b63de0088328f4d459ea1a92fb4f634250292e20fa83980ff068a166fbd
- 0x90fe658470e0bf396fd1f01bcd9fc37003a301fd4ba215266578bc9afc993b7b
- 0x7a6819797d48a11ec6b9c4874c3c3921a119e7eb1d8a2a86e37bac450ba376a0
- 0xc6eada3b11ba092637d8397739bce2c05e582bea1660cdba6c0361fc56142369
- 0xac57733d20d540d0005c337c58460145586e6e4d072d198fa3740c4eaafe078b
- 0xeef15c2dc1ce3453418dcb65976e1eec1fda6f139be76219b426a44571e523e6
- 0xe4ce99a157738e0c11f7cb57191c4d1d7715451630349456a23a7301feb58d36
- 0x414d772285e2fa1cdf2c972c07c8aae1c98f0528d1356212d58fee57f64fdc04
- 0xfc400a7fc02d9edff49c0bb0430e95728da36c75a450e7807270f441edfd0b96
- 0x801fa1a6c8c7a30dec3166192a063bef760bb0f4d8bcbc09e1a2320664835659
- 0x584982b94b1f05a18922bba3f8ab6e95e0114fb1590617618d3c011faac442f3
- 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
- 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
- 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af