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Evidence row 71596

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://bess-x402.onrender.com/v1/research/arxiv
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4d038a90dae02f13645f4b777f9680052e3c58b26355dfe1c1c45f008de506c6
Leaf
0x5103b695df056524a152c64762b1682b6502c7ecd68a7541977aed7a8ca49e20

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/research/arxiv"
    ]
  ],
  "name": "arXiv Paper Search",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "Search arXiv preprints (AI, physics, math, CS, quant finance...) by keywords or field query: title, authors, abstract, categories, dates and PDF link, by relevance or newest. Use for literature review or tracking new research.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 5,
              "q": "battery storage arbitrage"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 5,
              "papers": [
                {
                  "abstract": "The increasing interconnection of power systems through AC and DC links enables energy storage units to access multiple electricity markets yet most existing arbitrage models remain limited to singlemarket participation This gap restricts understanding of the economic value and operational constrain...",
                  "authors": [
                    "Md Umar Hashmi",
                    "Harsha Nagarajan"
                  ],
                  "categories": [
                    "eess.SY"
                  ],
                  "id": "2604.06536v1",
                  "pdf": "https://arxiv.org/pdf/2604.06536v1",
                  "published": "2026-04-08T00:21:57Z",
                  "title": "Multi-Region Optimal Energy Storage Arbitrage",
                  "updated": "2026-04-08T00:21:57Z",
                  "url": "https://arxiv.org/abs/2604.06536v1"
                },
                {
                  "abstract": "The provision of renewable electricity is the foundation for a sustainable future. To achieve the goal of sustainable renewable energy, Battery Energy Storage Systems (BESS) could play a key role to counteract the intermittency of solar and wind generation power. In order to aid the system, the BESS...",
                  "authors": [
                    "Luis van Sandbergen"
                  ],
                  "categories": [
                    "q-fin.TR",
                    "eess.SY"
                  ],
                  "id": "2509.21337v1",
                  "pdf": "https://arxiv.org/pdf/2509.21337v1",
                  "published": "2025-09-12T11:35:12Z",
                  "title": "Optimized Operation of Standalone Battery Energy Storage Systems in the Cross-Market Energy Arbitrage Business",
                  "updated": "2025-09-12T11:35:12Z",
                  "url": "https://arxiv.org/abs/2509.21337v1"
                }
              ],
              "query": "battery storage arbitrage",
              "source": "arXiv"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "description": "Maximum number of results (1-50)",
                      "type": "integer"
                    },
                    "q": {
                      "description": "Keywords, or arXiv query syntax like ti:transformer AND cat:cs.LG",
                      "type": "string"
                    },
                    "sort": {
                      "description": "relevance, date or updated",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "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": "2026-10-23T12:51:54.596Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T12:51:54.341Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/research/arxiv",
    "serviceName": "arXiv Paper Search",
    "tags": [
      "research",
      "arxiv",
      "papers",
      "ai",
      "science"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search arXiv preprints (AI, physics, math, CS, quant finance...) by keywords or field query: title, authors, abstract, categories, dates and PDF link, by relevance or newest. Use for literature review or tracking new research."
}

What the leaf hashes

{"body":"4d038a90dae02f13645f4b777f9680052e3c58b26355dfe1c1c45f008de506c6","id":71596,"kind":"listing","method":"baseline/1","observed_us":1793025482995696,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/research/arxiv","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x5103f887f6a115484b09ec6cb615ee7e9495ed75ab40d0d2da966fa6d9b1013b
  2. 0x5cc859c95319c0c8ed0e6dcac9591b973b789359cae4acbd515096fbfcbb3e7d
  3. 0x60a411a0ed26f5d06f0f9858e697400f0e688364462cdcea852ab4e901d555ae
  4. 0x59a26cf630648d4707fdb572c2a4bc8d21ea9ad100af92554c6b7a549439a534
  5. 0xeaa7ffbda20ea61395b86890588f40ad50a5cda10ecfc057d54e06c5d5f8b714
  6. 0x2dc43bb9423f5b194fcc6a3005cea34e184160471695890a6e72ddbd8ed36dee
  7. 0x46fe41dafe0a8e11b877c116ad39fbea1bd47d4ee073b506fc0a8c6c7ab63597
  8. 0x8b2393b9a0cca266e124c0d9cdd820c770d089235bd6a2a38090e1f9577c48f9
  9. 0x417ae96c21259e0ba92e9c16e22f6cdcea1d55df56b3cb0c4812519bf06e866e
  10. 0x1cf289732577ec7d4b7786636bf1c834b739571451a5cc67e3aac33256c9be46
  11. 0xfa039eb62e5d0ae9f7aaaafb0fcbceacfa661b07228233046b9a9af94e547a55
  12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
  13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
  14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON