← The evidence ledger
Evidence row 3645
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:sellat-app
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2fb459bdd1dfbccf589e80fe4f15c2e57d36effd680697f79f823750cb64817a
- Leaf
- 0x0ca074d198c569d0f2809fc005e17bc4988ad15806a81c63dd6ddba747df3917
What was observed
{
"endpoints": [
[
"x402",
"https://sellat.app/api/v2/proofs"
],
[
"x402",
"https://sellat.app/api/v2/proofs/:id/qualified"
]
],
"name": "sellat.app",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "sellat.app",
"endpoints": [
{
"description": "Timestamp and notarize any file or data by its SHA-256 hash: blockchain proof of existence and document integrity, anchored on Polygon in minutes and attested on Bitcoin (OpenTimestamps); blockchain notarization, not a notary act. Returns proof_id, certificate, proof.json and evidence ZIP, verifiable without Sellat. Use when you must prove that exact data existed by now and is intact.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "e997f7977eed77c6f5a3ef7b5934ede33023d6d4991cccbad486b835a2509c6c",
"group": "body",
"name": "hash",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "metadata",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "sellat-example-20261024030954-25ea26b8.txt",
"group": "body",
"name": "name",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "7",
"l30DaysUniquePayers": "2"
},
"serviceName": "Sellat",
"tags": [
"timestamp",
"notarize",
"proof-of-existence",
"eidas",
"qualified-timestamp"
],
"url": "https://sellat.app/api/v2/proofs"
},
{
"description": "eIDAS qualified electronic timestamp (RFC 3161 .tsr) on a Sellat proof, issued in seconds by an EU qualified trust service provider on the EU trusted list. Legal timestamp with the presumption of accuracy of date and integrity of Art. 41.2 eIDAS, recognised across the EU. Use when the date must hold before a court, authority, regulator or auditor. Call it on the proof_id from POST /proofs.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "9ca0874e-37bb-41df-bdbc-a913b79266ac",
"group": "path",
"name": "id",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.9",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "1"
},
"serviceName": "Sellat",
"tags": [
"timestamp",
"notarize",
"proof-of-existence",
"eidas",
"qualified-timestamp"
],
"url": "https://sellat.app/api/v2/proofs/:id/qualified"
}
],
"enriched": false,
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792345485/bazaar-icons/bde6353fd8b55735.png",
"id": "sellat-app",
"integrationType": "",
"isNew": false,
"name": "sellat.app",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.455",
"currency": "USDC",
"maxAmount": "0.9",
"minAmount": "0.01"
},
"provider": "sellat.app",
"providerUrl": "",
"serviceName": "Sellat",
"tags": [
"timestamp",
"notarize",
"proof-of-existence",
"eidas",
"qualified-timestamp"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"2fb459bdd1dfbccf589e80fe4f15c2e57d36effd680697f79f823750cb64817a","id":3645,"kind":"listing","method":"baseline/1","observed_us":1793025275309703,"prev":null,"subject":"agentic_market:sellat-app","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x0ca067303fbaa6f8070a5ea83bca43ddf227a09cf45086494e4fb222ebffaa0b
- 0xdbc0ae8b500c2c108926b7221b12fe8be56053483e5cfc10cdabdac01abbe899
- 0xb541a22b9e0ff60ce35259ed960129bc707c8e23aed9f3e657fd89156d0690d1
- 0xee6a0cf0581db244557a4709700e5436a6ad2152b14e979ab680c51e120ebbc6
- 0xdaaa777102f3c88ab9da4267e7a6ca5cd12c9f7b6bee40016281d3f3a9dc1094
- 0x5b6d60161c312fde1de1d73076f052ed90617915aea4c1b52cad602c60862420
- 0x413e088b7774591c033e239aebc942b0a5b7c8e06760ae9a9dc81fc98e1dc392
- 0xa69de9135e7271cf4e22b5b94a0620df3f4004a10f7bd5bf325094abeca9a545
- 0x129f73a337baa96ceb94e1a7ffee4d71964bd465bd366e92667f98088d3ac037
- 0x3c4894f4b32e18391502aac10c1c4092f71b1b7995859ea31b24350027233ca9
- 0x1dd760089997f06dc5264f791d622a6e7eaf78f6daa715333a752d033cdb2e03
- 0x362683225b724b8d2d652a95968c57a6f4199ed4f2ad60900fc3603492f17520
- 0x5aefcf9e3d86e125861c0d490079969110eea8fc901ec61531bba10bb58258a1
- 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae