← The evidence ledger
Evidence row 60317
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://2s.io/api/food/barcode-lookup
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2b91e589b525a82266732cda3e08dd42b22124e3c70ea37413832a2408b9ac01
- Leaf
- 0x5d51dd34d86c6769453e8c4dce53d3680df2b43b5cd4480ce537404d085b3680
What was observed
{
"endpoints": [
[
"x402",
"https://2s.io/api/food/barcode-lookup"
]
],
"name": "2s",
"owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"name": "USDC",
"version": "1"
},
"maxTimeoutSeconds": 60,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
"scheme": "exact"
}
],
"description": "Resolve a food product barcode (UPC, EAN-13, EAN-8, etc.) to structured product metadata via Open Food Facts — the CC0 community-maintained database of >3M food products. Returns product name, brand, ingredient list, allergens, nutriments (per-100g + per-serving), Nutri-Score grade (a-e), NOVA processing classification (1-4), Eco-Score, categories, manufacturing origin, packaging, and product image URLs.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"barcode": "3017624010701"
},
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"const": "GET"
},
"queryParams": {
"properties": {
"barcode": {
"description": "6-14 digit UPC/EAN barcode.",
"type": "string"
}
},
"required": [
"barcode"
]
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1781454341/bazaar-icons/58f7ba8f2b3b8047.png",
"lastUpdated": "2026-10-12T13:21:13.997Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-12T13:21:13.807Z"
},
"resource": "https://2s.io/api/food/barcode-lookup",
"serviceName": "2s",
"tags": [
"public-records",
"identifiers",
"ai-agents",
"us-gov-data",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Resolve a food product barcode (UPC, EAN-13, EAN-8, etc.) to structured product metadata via Open Food Facts — the CC0 community-maintained database of >3M food products. Returns product name, brand, ingredient list, allergens, nutriments (per-100g + per-serving), Nutri-Score grade (a-e), NOVA processing classification (1-4), Eco-Score, categories, manufacturing origin, packaging, and product image URLs."
}What the leaf hashes
{"body":"2b91e589b525a82266732cda3e08dd42b22124e3c70ea37413832a2408b9ac01","id":60317,"kind":"listing","method":"baseline/1","observed_us":1793025448298650,"prev":null,"subject":"x402_bazaar:https://2s.io/api/food/barcode-lookup","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).
- 0x5d51a91f1b5811744741b875af66189b88a66bdb6ba7283c1d26830a91c7908a
- 0xe47fc573c67159c13e5cbbcaccecc5abd1761ede9cd1f5ea24f67b4246cb87fd
- 0xbbfcd7482ed5f34aabca31b9b14a01ea1a12520cb0cf1c386842f2b255c3e1b5
- 0x36d33dc37de2f3049c91516a719fc4245f74f49a1fe4a9599e9a255fed5a4cb1
- 0x160498536e68a682d4ebcf7f68489aa283f9cd6456c964ad72f4b9e83699eb66
- 0xd9c32a42792dde98f98bc2303a5ad225d55d3482bf3a03af1affd1f0b78c4d89
- 0x7b11b3f65361733cc0be78c74b590234e61f3bfa750a173ffe419094ca8228f3
- 0x81454696cbda8a850702809540b97e3c3759bdee183441c3ab9de590184fd4eb
- 0x2dbfd5cce748a6fd4938d7cb87267e05234654474e1ff65d06ee76c8629d829d
- 0x71c75f9312be1c838a554f724b6fc57894e7c4486ab7e013b6a6a8d65cfaebea
- 0xb91bf0ba3ebff769d1b88f93fcb076477149787a7e31c3c28ce4fe8823b7c144
- 0x2121cc2dbcb8663af57743dc445c8a59e5bbfffe89703f0606c9843f0d35aff8
- 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae