Evidence row 578794

What was observed

{
  "count": 9,
  "tools": [
    {
      "description": "Discover the complete content-addressed BIS shard inventory; binary shards remain REST downloads",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "flow_id": {
            "type": "string"
          }
        },
        "required": [
          "flow_id"
        ],
        "type": "object"
      },
      "name": "bis_flow_manifest"
    },
    {
      "description": "Read bounded, revision-aware BIS observations",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "flow_id": {
            "type": "string"
          },
          "limit": {
            "maximum": 1000,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "flow_id"
        ],
        "type": "object"
      },
      "name": "bis_observations"
    },
    {
      "description": "Browse bounded full-fidelity BIS records; use the flow manifest and shard URLs for complete transfer",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "cursor": {
            "type": "string"
          },
          "flow_id": {
            "type": "string"
          },
          "limit": {
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "flow_id"
        ],
        "type": "object"
      },
      "name": "bis_records"
    },
    {
      "description": "Summarize every registered corpus and evidence class",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "corpus_catalog"
    },
    {
      "description": "Check the corpus service and storage roots",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "corpus_health"
    },
    {
      "description": "Inspect one canonical public-index dataset without reading raw storage",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "dataset_id": {
            "type": "string"
          }
        },
        "required": [
          "dataset_id"
        ],
        "type": "object"
      },
      "name": "inspect_dataset"
    },
    {
      "description": "List versioned datasets with rights and product eligibility",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "acquisition_review": {
            "type": "string"
          },
          "collection_kind": {
            "type": "string"
          },
          "cursor": {
            "type": "string"
          },
          "data_class": {
            "type": "string"
          },
          "engine": {
            "type": "string"
          },
          "group": {
            "type": "string"
          },
          "limit": {
            "maximum": 1000,
            "minimum": 1,
            "type": "integer"
          },
          "publication_state": {
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "list_datasets"
    },
    {
      "description": "List normalized Seiche money-market coverage",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "required": [],
        "type": "object"
      },
      "name": "seiche_markets"
    },
    {
      "description": "Read bounded canonical Seiche rows after source-wide redistribution validation",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "cursor": {
            "type": "string"
          },
          "event_from": {
            "format": "date-time",
            "type": "string"
          },
          "event_to": {
            "format": "date-time",
            "type": "string"
          },
          "instrument_id": {
            "type": "string"
          },
          "knowledge_at": {
            "format": "date-time",
            "type": "string"
          },
          "limit": {
            "maximum": 1000,
            "minimum": 1,
            "type": "integer"
          },
          "market": {
            "pattern": "^[A-Z0-9]+-[A-Z]{3}$",
            "type": "string"
          },
          "quality": {
            "enum": [
              "estimated",
              "provisional",
              "rejected",
              "revised",
              "unavailable",
              "verified"
            ],
            "type": "string"
          },
          "semantic_role": {
            "type": "string"
          },
          "source": {
            "description": "Exact Seiche source-adapter partition id",
            "pattern": "^[a-z0-9][a-z0-9_-]{0,63}$",
            "type": "string"
          },
          "staleness": {
            "enum": [
              "aging",
              "dead",
              "fresh",
              "stale",
              "unavailable",
              "unknown"
            ],
            "type": "string"
          }
        },
        "required": [
          "market",
          "source"
        ],
        "type": "object"
      },
      "name": "seiche_observations"
    }
  ]
}

What the leaf hashes

{"body":"070543bbc104b72ab6258486ac897d507c8455168c8a362a5ea555cb458a67b8","id":578794,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793143163426970,"prev":null,"subject":"8aa18e38-38b5-462a-b530-a8f9a38e226a","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. 0xc39ed1b5015666b9605dfcd6593aba714b650beaef53f0e2f10358f03a0c34cf
2. 0xb4bd3e2e51e1aaaa1b95870624d007295f4d03bd3ff7aa83bf4ea507e910403a
3. 0xebeb0ec50312417628072e0b949b62be1c2d44874af8bf76c0f799d9863d2f74
4. 0xaf35fe11940b1a31c40cbc7cc52c5043ae326cd795bb8d674a85edaceacd1a42
5. 0x0591282c5c35f3a98385e5df3f77ff11c35dea0a5fb694d46e162f427331a34b
6. 0x79cb2fad574ca82371c3b5cbe0382470dac944eb8dc3a1304805c648556d8d83
7. 0x8df8cefac104a75dda895ede53b02fa775b25fa45492724bbb2eaba4caef2d10
8. 0x7323f9096bd12ecd75a4a8f3d75b361b753ce043540242c02d26316193555353
9. 0x32092fef79b7e0bc39fad06c3e5a6640e151ef04931dbc7cc8db6ed2a783b3e6
10. 0xc9e21bdb5c28057e32655df6868cdd0379fa1da84b652c863ac4825f05a56ca9
11. 0x1508fd39a92015f2675aefede1d322b337358ef9cb1fdde46c7fa9276f6b3d5f
12. 0x09c148bbe62d15164b3840b798915bcd800d49ae022a1820cd04cc89b1b4e59a
13. 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4