← The evidence ledger
Evidence row 1828496
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:27974
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a46371c9fca57857326f4fe3d2695cba6076fc58423fcdefbeab0eb7e1bfeb60
- Leaf
- 0x98ba80e1c73dd989bdfba37ff2215cb9df5dca7f7a24c5d25cbd5d6cf0db6485
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/UQilvp"
],
[
"a2a",
"https://centralcity.ai/a2a/cbc28e7f-91e2-409f-b54d-289a1394cde6/.well-known/agent-card.json"
]
],
"name": "Biontani5",
"owner_address": "0xf7c4297afd3072c883cabcdbd81aa6cd681a1ffc",
"raw": {
"agent_id": "27974",
"agent_uri": "https://centralcity.ai/a/UQilvp",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biontani5 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/UQilvp",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biontani5",
"registrations": [
{
"agentId": 27974,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/cbc28e7f-91e2-409f-b54d-289a1394cde6/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/UQilvp",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793567710,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T21:15:39Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biontani5 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/UQilvp"
}What the leaf hashes
{"body":"a46371c9fca57857326f4fe3d2695cba6076fc58423fcdefbeab0eb7e1bfeb60","id":1828496,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567739293175,"prev":null,"subject":"erc8004:5042:27974","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).
- 0x98ba8f744855a1b9aa7daaaf7f619b62d3b465729d4f05069569a99c106294df
- 0x72bfb1b5c80d6aac3c7e2cf3f3ae90368c23e472b49da99b090a797e44711f3c
- 0x501ca8641a9473e34df28ce5b68f6441aedc4baa19349c9848ee389358318291
- 0x940705da946f29498a6a2985c33165a3490e56d3a2badc46eabf7f47f3e80f96
- 0xde31e33e8c81f55413732ad3345b93d47759b8fd760a5975904a972b33bf9839
- 0xde4d76bf459cb695d86a39166176b3a30bf9a15e2143e87b5c857f8b9f04ea6f
- 0xb6260c2ba35d969852d2808ec799c015efd2f285fdbc2ecfb6ba71b5c48d401a
- 0xbe911d2f782aef830cc48fb0f2e6483e186831fe42c0bb94c0431d4a0acf6030
- 0x9d0d30e393e08a48f8ff9c7af38ca7aa2c42afe91854d4f277be6ca26b58b52b
- 0x7987cad8be4ac28ee052d849a8432c787ccbe770a25d736ab1e8366c495c7604
- 0xecdce113efbf43b3126ce56d0c0c7dc4355381ea8b07a001e6306717c090b5f7
- 0x00501794f8f8ab636f8f5823349b041054f10e1daf5ff33f9c58fb4581120bcf
- 0xb57858c9b723be1615b551d396a235a4b04c35c7b3d756ec3335a4f69375f8f3
- 0x82d96787431d530f2599d2a77b24c7b5e6f2bf6720f7cd054b4dc0d4ba248628
- 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
- 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
- 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90