Evidence row 121950

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://stat.halowerk.com/v1/oss-openblas-symmetric-spectrum-analyze"
    ]
  ],
  "name": "stat.halowerk.com/v1/oss-openblas-symmetric-spectrum-analyze",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "1500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Computes the full eigendecomposition of a real symmetric operator and reports the signed eigenvalues, the orthonormal eigenvectors, and the inertia — how many eigenvalues are positive, negative and indistinguishable from zero at the stated tolerance. Two residuals are returned as evidence rather than as reassurance: how far the decomposition is from reproducing the input, and how far the eigenvectors are from being orthonormal.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "matrix": [
                [
                  2,
                  1
                ],
                [
                  1,
                  2
                ]
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "matrix": {
                      "items": {
                        "items": {
                          "maximum": 1000000,
                          "minimum": -1000000,
                          "type": "number"
                        },
                        "maxItems": 128,
                        "minItems": 1,
                        "type": "array"
                      },
                      "maxItems": 128,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "matrix"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T07:41:01.096Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T07:41:00.681Z"
    },
    "resource": "https://stat.halowerk.com/v1/oss-openblas-symmetric-spectrum-analyze",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Computes the full eigendecomposition of a real symmetric operator and reports the signed eigenvalues, the orthonormal eigenvectors, and the inertia — how many eigenvalues are positive, negative and indistinguishable from zero at the stated tolerance. Two residuals are returned as evidence rather than as reassurance: how far the decomposition is from reproducing the input, and how far the eigenvectors are from being orthonormal."
}

What the leaf hashes

{"body":"61234d84073fd6af48467c8577cef5812a3496526b803b04460eafa938616aad","id":121950,"kind":"listing","method":"baseline/1","observed_us":1793025620705936,"prev":null,"subject":"x402_bazaar:https://stat.halowerk.com/v1/oss-openblas-symmetric-spectrum-analyze","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. 0xea1a78fa95029a956ac0b4c64793e3381c26009e226aebb3dfaff64e8398f678
2. 0x02b74fc0f9c6198538cd1d01c77c7df2cd579a7dc1ebaaf3e974b1a7eec2aa48
3. 0x9b9c76a7cdef92df6e6a33001d84a0690cebf76a495a551997d5a29d100b0c12
4. 0x1d8d0bc33f5f592e64b94ea4656ae4ed6f3477fe161853931dd16a847cfc6b2d
5. 0xcc39934d6a497d4c409406757fab733979736b2865890cc5beeeba01d76696e3
6. 0x51ab13268104ed12877a93c7a66551835adefa413b771c0cc9fb0f4fbf854e39
7. 0x6e3ea328a431d048fc295a8033017cf6e3f121333d484b9cba006318bdeee5d7
8. 0x61cb6fff2f3876681f3dbac971973086034948891b6aa8145469ad8a4aa65108
9. 0x70c16165bfbbde7feb46e8a9bd506750035eeca2a11bee87e3c59c8f86700d0e
10. 0xeeec22ca7728902ad7b7555da76e832c1a5feb9eab7fbd2016b96e53630a46dd
11. 0x2ec584f2a0466a34409d72f745f85d43c3f2da79c7fe353433c8b601cf9f2050
12. 0x22a204f0cf299dd3152f1542ba9998ff7665390da1ede6e58d06b8a7b2a107ee
13. 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae