Evidence row 64546

Observed 26 Oct 2026, 14:37 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://api.additiveatlas.monon.space/v1/substances/:id/diff
Recorded: 26 Oct 2026, 14:37 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 61478e3d1bbb1962a0054e133e61fe8ab4a2b5d50d5e608eea52cb0c62682583
Leaf: 0x62c95337124b9bf35cee47b242fcce3089cf611d6a50e41fedb272d3ce17c4a3

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.additiveatlas.monon.space/v1/substances/:id/diff"
    ]
  ],
  "name": "Additive Atlas",
  "owner_address": "0x6fff720533330bf937130f5542511754258d88da",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6fFF720533330Bf937130F5542511754258d88DA",
        "scheme": "exact"
      }
    ],
    "description": "One substance, with the cross-axis derivation: what every other jurisdiction (JP, EU, US, Codex, IARC, JECFA, EFSA) says about it, with per-cell sources, kept separate from what was derived",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "id": "eu:e330"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "meta": {
                "disclaimer": {
                  "en": "Every record is a draft and needs verification. This is not a safety judgement: it returns what each jurisdiction has officially decided, the differences between them, and the sources.",
                  "ja": "全件ドラフト＝要検証。安全/危険の判定ではなく、各法域の公的判断の差分と根拠を返す。"
                },
                "last_verified": "2026-09-24",
                "sources": "/v1/sources"
              },
              "substance": {
                "axes": [
                  {
                    "axis": "EU",
                    "derived": {
                      "confidence": "medium",
                      "coverage": "partner_broader",
                      "qualifiers": [],
                      "reason": "JP カラギナン(No.59)は精製+半精製(加工ユーケマ藻類=別添の類別名)を覆い、EU は E407/E407a に分ける。ただし E407 の規格(Reg 231/2012)はフルセランも含み、JP はそれを別品目 No.231 ファーセレランに立てる(名簿定義の基原5種にフルセラリアは無い)ため除外=JP カラギナン = (E407 ∪ E407a) − ファーセレラン",
                      "status": "permitted"
                    },
                    "primary": {
                      "nodes": [
                        {
                          "category": "listed",
                          "id": "eu:e407",
                          "name": "Carrageenan",
                          "source": {
                            "id": "eu-additives",
                            "name": "EU Union list of food additives — Reg (EC) No 1333/2008 Annex II Part B (consolidated)",
                            "retrieved_date": "2026-08-12",
                            "version": "Consolidated text of 2026-08-18"
                          }
                        },
                        {
                          "category": "listed",
                          "id": "eu:e407a",
                          "name": "Processed euchema seaweed",
                          "source": {
                            "id": "eu-additives",
                            "name": "EU Union list of food additives — Reg (EC) No 1333/2008 Annex II Part B (consolidated)",
                            "retrieved_date": "2026-08-12",
                            "version": "Consolidated text of 2026-08-18"
                          }
                        }
                      ]
                    }
                  }
                ],
                "axis": "JP",
                "axis_category": "既存",
                "id": "jp:existing-carrageenan",
                "is_group": false,
                "name": "カラギナン",
                "translations": {},
                "use_category": [
                  "増粘安定剤"
                ]
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/substances/:id/diff",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "id": {
                      "description": "Substance id as returned by the free endpoints (GET /v1/substances?name=…&axis=…&lang=…, POST /v1/labels/analyze), e.g. eu:e330, jp:designated-aspartame, us:cfr-184-1033",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "What every other jurisdiction says about the substance (primary, with per-cell sources) kept separate from what was derived (derived: status, coverage, confidence); refusal when nothing can be concluded. Full response shape and vocabulary: /openapi.yaml on this host. Every record is a draft and needs verification; not a safety judgement.",
                  "properties": {
                    "meta": {
                      "type": "object"
                    },
                    "substance": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "substance",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-01T04:09:36.23Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-01T04:09:35.345Z"
    },
    "resource": "https://api.additiveatlas.monon.space/v1/substances/:id/diff",
    "serviceName": "Additive Atlas",
    "tags": [
      "food-additives",
      "regulation",
      "labelling",
      "eu",
      "japan"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One substance, with the cross-axis derivation: what every other jurisdiction (JP, EU, US, Codex, IARC, JECFA, EFSA) says about it, with per-cell sources, kept separate from what was derived"
}

What the leaf hashes

{"body":"61478e3d1bbb1962a0054e133e61fe8ab4a2b5d50d5e608eea52cb0c62682583","id":64546,"kind":"listing","method":"baseline/1","observed_us":1793025456792102,"prev":null,"subject":"x402_bazaar:https://api.additiveatlas.monon.space/v1/substances/:id/diff","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).

0x62c92e4d2369e372a60c949b19ce6927f826e379e3456e3fd2ee0f848374508f
0x3ec68fc82ee85af3ca428f764097be41d900ad8bace6fd09aa8dc50fae3446b8
0x44e72237a3a4eea29cb0a4192fbb84e34e21c507e65e29064a24177f4dca12e0
0xbe19ff4f6fc67f25c98cc1f8f3e69f861edcd7de637cfc8ca4e25be34351bd03
0xb1fa970eca379a8eb990420b16055a605cf5e1f6065b5d8bd261284d9995b1e5
0xd8ddbce6292f794e121e4fd345eceff06aa42ce262883c9b838adcd7aeee74c5
0xa1a4ac7f84e1dfea7989760c3f6a9d8949d8109bf18d76905ccd864e94aa6704
0x28ce9ba5c92c81197b33672f23e36fb23c849c9f0df3ae0a0d49e4a883563163
0x02dcf67e393f5295b2e183726d530c8289248ede5931fe31ff3de73461a13e3f
0xb184ee2974258f113625a96655b34d89a19737485675dd6584b8ff67217463c8
0x131755a2ea202f5e6a5e7b2b4223cbbcd0bee9398f637648162d1129112491ce
0x7285c0b02d1aedd949b8ba0c7b2499f7121588ebdd4c96ef8725919bb84dd534
0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON