Evidence row 3410

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pulsefeed.dev/data/full"
    ],
    [
      "x402",
      "https://pulsefeed.dev/flow"
    ],
    [
      "x402",
      "https://pulsefeed.dev/lab/e1"
    ],
    [
      "x402",
      "https://pulsefeed.dev/mcp/drift/history"
    ],
    [
      "x402",
      "https://pulsefeed.dev/momentum"
    ],
    [
      "x402",
      "https://pulsefeed.dev/pulse"
    ],
    [
      "x402",
      "https://pulsefeed.dev/trust"
    ],
    [
      "x402",
      "https://pulsefeed.dev/trust/dataset"
    ],
    [
      "x402",
      "https://pulsefeed.dev/whales"
    ]
  ],
  "name": "pulsefeed.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "pulsefeed.dev",
    "endpoints": [
      {
        "description": "The whole agentic-commerce trust dataset in one call: every audited x402 endpoint (trust score, scam flags, on-chain receiver, payTo/price history) AND every audited MCP server (safe/avoid, install-script risk, abandonment) plus incidents with on-chain proof. Cross-domain and longitudinal. NOTE: $1.00 exceeds the default 0.1 USDC cap in x402-fetch — pass maxValue. Free sample: /data/sample",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/data/full"
      },
      {
        "description": "Who is accumulating or dumping this token right now? Smart-money flow on Base: net position change per address over a block window plus a decision-ready accumulation/distribution signal. ?token=0x...",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/flow"
      },
      {
        "description": "Insertion-path positive control for a measurement experiment (x402-foundation/x402#3045): does a v1-envelope settlement still create a catalog row at the current epoch? Returns a static acknowledgement.",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "0.011",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/lab/e1"
      },
      {
        "description": "The full MCP supply-chain drift series in one call: every recorded change since 2026-07-30 across the whole registry — ownership swapped, install script added in a later version, repository removed, package unpublished, a removed name republished by someone else. An event exists only because a snapshot from before it does, so this series cannot be rebuilt after the fact. Free feed: last 7 days.",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/mcp/drift/history"
      },
      {
        "description": "Is this token heating up or cooling down? Momentum on Base: current block window versus the previous one — activity and volume with a % delta and a heating/cooling/flat trend. ?token=0x...",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/momentum"
      },
      {
        "description": "Is this token active right now? Live pulse of any ERC-20 on Base: transfer count, volume and unique senders/receivers over a recent block window — one call, no RPC or indexer needed. ?token=0x...",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/pulse"
      },
      {
        "description": "Is this x402 endpoint safe to pay? Vet an unknown seller BEFORE paying: pay/avoid verdict, 0-100 trust score, live 402 probe, scam flags (payTo hijack, bait-and-switch pricing, honeypot, wrong asset) and an on-chain check of the receiver on Base. Reads x402 v1 (body) AND v2 (PAYMENT-REQUIRED header) — body-only checkers call live v2 services dead. ?endpoint=url; omit for a trust-ranked catalog.",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/trust"
      },
      {
        "description": "Bulk trust data for every x402 service in one call. For builders of trust, uptime and monitoring tools: each service's full profile — 0-100 trust score and pay/avoid verdict, scam flags, receiver stability, on-chain receiver profile, plus the compounding payTo and price change history. Skip scraping hundreds of endpoints. ?all=1 includes dead ones, ?limit=N. Free preview: /status.json, /data/sample.",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/trust/dataset"
      },
      {
        "description": "Are whales moving this token right now? Large ERC-20 transfers on Base over a recent block window with from/to/amount/tx and a configurable size threshold — spot big moves before they hit the price. ?token=0x... &min=units",
        "method": "",
        "parameters": [],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://pulsefeed.dev/whales"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "pulsefeed-dev",
    "integrationType": "",
    "isNew": false,
    "name": "pulsefeed.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.141667",
      "currency": "USDC",
      "maxAmount": "1",
      "minAmount": "0.004"
    },
    "provider": "pulsefeed.dev",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"5a1ceb1268126f51d25a2995c5d4ed10bc129e4b238f60333215387e1652c3bf","id":3410,"kind":"listing","method":"baseline/1","observed_us":1793025272897705,"prev":null,"subject":"agentic_market:pulsefeed-dev","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. 0x13a990227b92bdd5425bd411663f2b3268dc25469e2c42306a7fda3ae70f5363
2. 0x39e5709dbbfb9f68366542cb7ca3b7f5df04a188c922fb3e99577722367a9cf8
3. 0x1520dc04bc740cecb0d7def7544d48e1271072e0824136e65795b9ea0f0d331a
4. 0x69f1a356be348f40e210a4ab7752e15144e850efaddcced3d5f90585e279eb1a
5. 0xf018e33a4cd50e1597925b301a820b63e1ff1dcab00b38b14f046e1b20def182
6. 0x3b7422fc3dfcc674d79caf4c074f5a59707d9919de7ca6657be9e0d24d963bed
7. 0x5bdadc99e407695dd0508d1eeb3dbe96a9e43f8096bb4284d25031404605b68b
8. 0xdf70ef695a76ba1bc5f794c08142891e31eeb3ac2259248da590e19ff487d69e
9. 0x36a9d47985ea66450085f279b1077b70e31b95704b735175f3a64a5891b7b28e
10. 0x4a6e9d6f8bcdedf054372776140e3ef47d5f8d6efb1bdab8c26dcd9c83c1db99
11. 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
12. 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae