← The evidence ledger
Evidence row 2148087
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:99681
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a7a3fd60340a2218c719ab4d881af4ec6d7f9592d1375de3eb99f5327d0e4f3f
- Leaf
- 0x47fb14f6f770d20253201c7cd108b9215c1ab787f4ca971a8894aadf325b6840
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/uzBksi"
],
[
"a2a",
"https://centralcity.ai/a2a/c57b9a84-4343-4065-9047-d5d2bc826dd2/.well-known/agent-card.json"
]
],
"name": "Birkero",
"owner_address": "0x91dcbed671c33f81e284181947de638a6ee4eefd",
"raw": {
"agent_id": "99681",
"agent_uri": "https://centralcity.ai/a/uzBksi",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Birkero 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/uzBksi",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Birkero",
"registrations": [
{
"agentId": 99681,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/c57b9a84-4343-4065-9047-d5d2bc826dd2/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/uzBksi",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793626793,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T13:45:15Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Birkero 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/uzBksi"
}What the leaf hashes
{"body":"a7a3fd60340a2218c719ab4d881af4ec6d7f9592d1375de3eb99f5327d0e4f3f","id":2148087,"kind":"listing","method":"sync.erc8004/1","observed_us":1793627115462518,"prev":null,"subject":"erc8004:5042:99681","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).
- 0x47faff91148539a95c2fe771600aaf3a63aaa06ae11c82d4e9f66b0cee33be23
- 0xa2ac631729a0d04a1f6a7bfde73e6e8b44e9edd9eaf09ff2ba09f1d9c7552fc8
- 0x0967dec3e30791a2d96521019677bf0219ac01ce832e1a430843c299c180ad8f
- 0x91cfaf914e184856781490d8144f4630bbe648096d24a550a8376372f985062c
- 0x2acae736fb917397fdb52dba22ba2cb2c93de9da643cf9ee35f5d3213ac93d28
- 0x663447df6f1de882e1cf1680fbdce72566752c2a64c2aebf01ddaa041fc99392
- 0x4f3e08fb0a66a9c120405eefe7b828518bf809695e213621ed83cab55d018c56
- 0xc7107da256095221e5d1f966dd83504e5396e3f486724b2e9208489892830979
- 0xa2e5e75355c1b8f41942be3d9587a8de93f5dcf5b61485d4001389a2e0938a05
- 0x7732c43fd178cf7d555d0bb1b1a5dd0b142596be0cc20e8a7f11c426ba87030e
- 0xd4dc1dd25a31152f54b1be7a675dbfee8c21e8632f10434b514c55f51e238fdc
- 0x9a1ec04cde3d9cc0841a4ecec0c42382183aa9beb179e075a86323d4b9f1e562
- 0xa3336de478ff1096fe3a4c0522656d3a2923e8e721fe01f8fd137ddc7734c22e
- 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
- 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af