Evidence row 73217

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://datastand.dev/api/data/npm-vuln-digest"
    ]
  ],
  "name": "datastand.dev/api/data/npm-vuln-digest",
  "owner_address": "0x470a1b647d668d3820add26d70c8371557ff4c6b",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x470a1b647d668d3820add26d70c8371557ff4c6b",
        "scheme": "exact"
      }
    ],
    "description": "Newest npm security advisories as JSON: severity, CVSS 3.x and 4.0 scores and vectors, EPSS exploit odds, CWEs, affected packages, vulnerable ranges, first patched version, and a fix_status flag for those no upgrade fixes. Merged from GitHub Advisory Database's newest-published and newest-revised orderings, so a new score or widened range on an old advisory reaches you. Add ?since=<ISO-8601> for only what changed; an empty delta is refused free, so polling costs nothing until there is news.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "since": "2026-08-31T10:12:22Z"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": "integer",
              "dataset": "npm-vuln-digest",
              "generated_at": "ISO-8601",
              "items": [
                "..."
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "since": {
                      "description": "ISO-8601 date or timestamp. Returns only advisories whose updated_at is newer than this — normally the generated_at of your previous fetch. An empty delta is refused with a 400 and settles no payment, and so is a since earlier than the build's coverage.delta_complete_since, which would return a silently incomplete delta.",
                      "type": "string"
                    }
                  },
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-14T15:11:51.803Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-14T15:11:51.439Z"
    },
    "resource": "https://datastand.dev/api/data/npm-vuln-digest",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Newest npm security advisories as JSON: severity, CVSS 3.x and 4.0 scores and vectors, EPSS exploit odds, CWEs, affected packages, vulnerable ranges, first patched version, and a fix_status flag for those no upgrade fixes. Merged from GitHub Advisory Database's newest-published and newest-revised orderings, so a new score or widened range on an old advisory reaches you. Add ?since=<ISO-8601> for only what changed; an empty delta is refused free, so polling costs nothing until there is news."
}

What the leaf hashes

{"body":"7e557b79f964dfad442573b5b1462e58ae5d3454a8c51db535396aaeb10b751f","id":73217,"kind":"listing","method":"baseline/1","observed_us":1793025487182752,"prev":null,"subject":"x402_bazaar:https://datastand.dev/api/data/npm-vuln-digest","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. 0xcda2e0c42cea3f3cf5f9b29f68bef951cd47ad55d4c677776ca088cd4f7c7028
2. 0xbda725e5d04172567ec1f16e6b8a315b4499550b4dfc79e23be22633b49cbd61
3. 0x4820af2b0eeb988a6276de7fcd49dc34fd572344cf9b12178b48347062fb9722
4. 0xccb5d25d2a9ce0041d9b69c477d47bfbada65e9efa9ee2b2d3b6618e26cd46fa
5. 0x37f92d300b4dce0241a669441bb0d34bfb75be724ec2b06a9b8e95f54befbfdf
6. 0xc3acdf6f8de9184c804f7992074a1ca63b9c117aa1dac52dcbf0cdc723ac93e4
7. 0xd7b9264d3510ec1dd3704baab2f2368a5cef2a98e00358580e8794b81636a7e3
8. 0x3ca23140692ba2be421636debade5acabdb117720eb8a31f76955627e5c4fc59
9. 0xd57248e7a9b46d0cbcdcf06aaeaa397c60ee5442e50645c62cf5b1976aedba5d
10. 0x9a73546a7d103d7486a891fe9f96753919be6696ccb5a70a4044405c08bca716
11. 0xbee3c0dbc9149e89a214e95afe49b5d8a825aaaf7aa1721b2d66bbb287d6fd4d
12. 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae