Evidence row 68711

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.sirenic.eu/v1/eu/entreprise/PL/:nip/marches-publics"
    ]
  ],
  "name": "Sirenic",
  "owner_address": "0x76a672eee56d29d475b0715cc03b8c99d70ec8a2",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x76A672EEe56D29D475b0715cc03B8C99D70EC8A2",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
        "extra": {
          "name": "EURC",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x76A672EEe56D29D475b0715cc03B8C99D70EC8A2",
        "scheme": "exact"
      }
    ],
    "description": "Public-procurement record of a Polish company from the Biuletyn Zamówień Publicznych (e-Zamówienia public API, UZP, CC0; national below-EU-threshold notices since 2021): contracts WON matched by legal-person NIP — buyer (name, NIP), subject, CPV, part, outcome, tenders received, awarded price and contract value in PLN, contract date, enterprise size — and notices ISSUED as a buyer; newest first, capped at 100. Winners served only when proven legal persons (legal form or KRS); sole traders never.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "nip": "6040248554"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "attributions": [
                {
                  "acheteur": {
                    "nip": "5832622111",
                    "nom": "ZAKŁAD UBEZPIECZEŃ SPOŁECZNYCH ODDZIAŁ W GDAŃSKU",
                    "pays": "PL",
                    "province": "PL22",
                    "ville": "Gdańsk"
                  },
                  "avis_id": "2026/BZP 00441969/01",
                  "cpv": [
                    "45400000-1"
                  ],
                  "date_contrat": "2026-09-01",
                  "duree": "126 dni",
                  "gagnant": {
                    "nip": "6040248554",
                    "nom_publie": "M&M JOB CONNECT Sp. z o.o.",
                    "pays": "PL",
                    "province": "PL22",
                    "taille": "micro-entreprise",
                    "taille_source": "Mikro przedsiębiorca",
                    "ville": "Pszczółki"
                  },
                  "groupement": false,
                  "issue": "contrat conclu",
                  "issue_source": "zawarcieUmowy",
                  "nombre_parties": 4,
                  "objet": "Wykonanie remontu dla części: Część I: Malowanie - I/Tczew; Część II: Remont pokoi biurowych - I/Gdynia; Część III: Remont pokoi biurowych - I/Kartuzy; Część IV: Remont pokoi biurowych - I/Malbork",
                  "offres_pme": 2,
                  "offres_recues": 2,
                  "partie": 4,
                  "prix_retenu_pln": 581992.37,
                  "publie_le": "2026-09-17T05:36:05Z",
                  "sous_seuil_ue": true,
                  "type_avis": "TenderResultNotice",
                  "type_marche": "travaux",
                  "type_marche_source": "Works",
                  "valeur_contrat_pln": 581992.37
                }
              ],
              "aucune_attribution": false,
              "avis_emis": [],
              "nature_nip": "personne_morale",
              "nip": "6040248554",
              "nombre_attributions": 1,
              "nombre_avis_emis": 0,
              "pays": "PL",
              "stock": {
                "depuis": "2021-01-01",
                "dernier_jour_complet": "2026-09-17",
                "gagnants_a_classer": 1832
              },
              "tronque_attributions": false,
              "tronque_avis_emis": false,
              "valeur_totale_pln": 581992.37
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/eu/entreprise/PL/:nip/marches-publics",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "nip": {
                      "description": "Polish NIP, ten digits (separators tolerated), e.g. 6040248554",
                      "type": "string"
                    }
                  },
                  "required": [
                    "nip"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "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/v1788558624/bazaar-icons/196dbff5883cf328.png",
    "lastUpdated": "2026-10-01T05:48:14.02Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-01T05:48:13.751Z"
    },
    "resource": "https://api.sirenic.eu/v1/eu/entreprise/PL/:nip/marches-publics",
    "serviceName": "Sirenic",
    "tags": [
      "poland",
      "polish-company",
      "public-procurement",
      "bzp",
      "e-zamowienia"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Public-procurement record of a Polish company from the Biuletyn Zamówień Publicznych (e-Zamówienia public API, UZP, CC0; national below-EU-threshold notices since 2021): contracts WON matched by legal-person NIP — buyer (name, NIP), subject, CPV, part, outcome, tenders received, awarded price and contract value in PLN, contract date, enterprise size — and notices ISSUED as a buyer; newest first, capped at 100. Winners served only when proven legal persons (legal form or KRS); sole traders never."
}

What the leaf hashes

{"body":"20712ffd44d0cb427e0028c84bc10b62b249a4f7deeefaa5c971cdb922f7bd11","id":68711,"kind":"listing","method":"baseline/1","observed_us":1793025468137608,"prev":null,"subject":"x402_bazaar:https://api.sirenic.eu/v1/eu/entreprise/PL/:nip/marches-publics","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x91f5dfcdbe0fb5a4f8a93a9ec3872e6b12798b803fd793b1957b3ca4afc66f7d
2. 0x11d336010a480f4247ef5f998c7f064d24275e0e26e462fe294c09bfe6c9524f
3. 0xc8f7d59598d4a997d805793aa7506e7071c0154670c029bea27a1fa9b8227b06
4. 0xfe46846e66561d7d165d4280e7a82773f443729d28ff98e88c1d89d2c3e20c9d
5. 0x4816de274a9c9021d32d0c5f6cef1cfcee330dd0e0ffef0f833465469d54bc3c
6. 0x76c72e6f10f2381c40134cc6cf77119c348e03ae2091ce2101c32d13d221a9f4
7. 0xc03417624ea152bdc0d88311a7ccdf01145ad5e0b9e30ab63d073254a36b0e7b
8. 0xc5315bbc2b3787868bc52a4a865cd3e8f04f484d6fdc9842c808d39da9be5be9
9. 0xd2c26205321a8ef47800df74c140f2a787b4379608438b45bb9989986c62306f
10. 0x0d8c9849ad61f3608ed33ea96162e91265f1a635a7e3d125b440758921da7146
11. 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae