Evidence row 571986

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Static facts about the Stellaroid Earn Soroban contract: contract ID, network, and public audit/documentation links. Use this first to orient.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {},
        "type": "object"
      },
      "name": "get_contract_info"
    },
    {
      "description": "Look up an issuer in the Stellaroid Earn on-chain trust registry by Stellar address. Returns approval status (pending/approved/suspended), name, category, website, and register/refresh dates when the contract supplies them.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "address": {
            "pattern": "^G[A-Z2-7]{55}$",
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "get_issuer"
    },
    {
      "description": "Fetch one escrowed paid trial by its numeric ID, including its escrow status, milestone progress, and the credential hash it is bound to.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maximum": 100000,
            "minimum": 0,
            "type": "integer"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_opportunity"
    },
    {
      "description": "List escrowed paid trials (opportunities) on the Stellaroid Earn contract, newest first. Each ties an employer's escrowed XLM to a candidate's verified credential and moves draft -> funded -> submitted -> released/refunded.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "limit": {
            "default": 10,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "list_opportunities"
    },
    {
      "description": "Decoded recent contract events (credential registrations/verifications, escrow lifecycle, payments) from the Stellaroid Earn contract, deduplicated across Soroban RPC and the Stellar Expert indexer.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "limit": {
            "default": 5,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "recent_events"
    },
    {
      "description": "Verify a Stellaroid Earn credential by its SHA-256 certificate hash. Returns the on-chain status (issued/verified/revoked/suspended/expired), issuer, timestamps, and public audit links. Runs on Stellar testnet.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "hash": {
            "pattern": "^[0-9a-f]{64}$",
            "type": "string"
          }
        },
        "required": [
          "hash"
        ],
        "type": "object"
      },
      "name": "verify_credential"
    }
  ]
}

What the leaf hashes

{"body":"0d8b9715aaacc5c11dc77601ca669b296ac0b4a37131484fbeac5200384a0c3f","id":571986,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140518301024,"prev":null,"subject":"dde55b62-774b-4e66-a958-b6f8a12fb409","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xe360dcd5df2cf2a70a62bb1f3392111b3a7dca845dc4cc3152dfe64e55d7c0d0
2. 0xb083716ceccbed8288adb8c66a8282048be75674ce828519e1d2d990242b9fd6
3. 0xa0b297129ada55cb1c21a3eff9f36b522ded7216c0c37a9c72c555a6f6be2bcd
4. 0xe47d496623426b799818445edc23097a03e287273ab491b2ea42440b3f1234d0
5. 0x84ce2870a275f2f0427d51724e7e8e4d47514b360df7144eb17c1a42819e8211
6. 0xa0778327dc4285e901091ad5855b1a895d0e2a3d79560f095417656dc73f2e33
7. 0x5eb3b101b5c7f5f64e42e41b0d4b814503ac13317c6a7a749507424619d20f5e
8. 0x62887e90b91e290a21af2b8dc5b87e70277a2a941c7abfb554b2fc3cf38c0755
9. 0x2929bd869eef3f9fcbb9d49bd3f8c6a44ead67afb712c8d9f3025df40b9e0917
10. 0xc2ea5f7f3b161db666605a0ba7963b487b9547a05b28f8b23fc1a9f437bfcd45
11. 0xb44c2942ddb3464f2b2c770afdcadc509526756e35fc6b54cbe05f81f7639529
12. 0x46ff3840378aba3ab5311ff9a58e7269ceff45cbef540c18a2bad9af3d6127bb
13. 0xd98ea318b514153f74841c90aff18a807e61314ec99610bf3bdbb7219da01cbd
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4