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THE EVIDENCE BASE

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Use the API
14,635Source listings
33Source snapshots
27,889Recorded changes
1,221Endpoint observations

Latest snapshot: Sep 12, 2026, 05:41 UTC. Daily collection; gaps remain unknown.

875 observations · Differences between dated observations.

suedland.halowerk.comBilinear surface elevation from Copernicus DEM GLO-30. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/pt-elevation
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comMean SoilGrids sand fraction for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Italy; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/it-soil-sand
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comMean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/pt-soil-cec
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comPositive difference between the neighborhood mean and center elevation. The coordinate is validated against the Natural Earth boundary for Greece; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/gr-depression-depth
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suedland.halowerk.comMean SoilGrids silt fraction for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Greece; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/gr-soil-silt
NetworkAdvertised amountBillingPayee
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suedland.halowerk.comDifference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Earth boundary for Spain; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/es-local-relief
NetworkAdvertised amountBillingPayee
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suedland.halowerk.comRelative runoff tendency derived from slope and ruggedness. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/pt-drainage-tendency
NetworkAdvertised amountBillingPayee
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suedland.halowerk.comMean SoilGrids pH in H2O for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Malta; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/mt-soil-ph
NetworkAdvertised amountBillingPayee
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suedland.halowerk.comShare of ESA WorldCover 2021 pixels classified as cropland. The coordinate is validated against the Natural Earth boundary for Italy; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/it-cropland-share
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suedland.halowerk.comMean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Spain; results outside it are rejected before payment.
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suedland.halowerk.comDominant ESA WorldCover 2021 class in the analysis area. The coordinate is validated against the Natural Earth boundary for Italy; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/it-landcover-class
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suedland.halowerk.comMean SoilGrids pH in H2O for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/pt-soil-ph
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suedland.halowerk.comMean SoilGrids clay fraction for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/pt-soil-clay
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suedland.halowerk.comSouth-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Earth boundary for Greece; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/gr-solar-orientation
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suedland.halowerk.comUSDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Natural Earth boundary for Italy; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/it-soil-texture
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comMean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Malta; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/mt-soil-cec
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comDominant ESA WorldCover 2021 class in the analysis area. The coordinate is validated against the Natural Earth boundary for Spain; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/es-landcover-class
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comMean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Italy; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/it-mean-slope
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suedland.halowerk.comShare of ESA WorldCover 2021 pixels classified as built-up. The coordinate is validated against the Natural Earth boundary for Greece; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/gr-built-up-share
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suedland.halowerk.comMean SoilGrids organic carbon for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Malta; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/mt-soil-organic-carbon
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comShare of ESA WorldCover 2021 pixels classified as tree cover. The coordinate is validated against the Natural Earth boundary for Spain; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/es-tree-cover-share
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comUSDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Natural Earth boundary for Spain; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/es-soil-texture
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comMean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.
https://suedland.halowerk.com/v1/pt-mean-slope
NetworkAdvertised amountBillingPayee
eip155:84530.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Source and evidence
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suedland.halowerk.comShare of ESA WorldCover 2021 pixels classified as tree cover. The coordinate is validated against the Natural Earth boundary for Italy; results outside it are rejected before payment.
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suedland.halowerk.comBilinear surface elevation from Copernicus DEM GLO-30. The coordinate is validated against the Natural Earth boundary for Greece; results outside it are rejected before payment.
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              "charged",
              "payment"
            ],
            "type": "object"
          },
          "type": {
            "type": "string"
          }
        },
        "required": [
          "type"
        ],
        "type": "object"
      }
    },
    "required": [
      "input"
    ],
    "type": "object"
  },
  "legacy_network": null,
  "legacy_pay_to": null,
  "legacy_price_basis": null,
  "legacy_price_usd": null,
  "metadata": null,
  "method": "POST",
  "observed_at": 1789191719.42,
  "offers": [
    {
      "amount": "0.001",
      "amount_atomic": "1000",
      "amount_encoding": "atomic_units",
      "amount_raw": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "billing_unit": null,
      "billing_unit_basis": "commercial_terms_not_validated",
      "currency": "USDC",
      "decimals": 6,
      "decimals_basis": "known_token_mapping",
      "extra": {
        "asset": "USDC",
        "assetTransferMethod": "eip3009",
        "eip712Domain": {
          "chainId": 8453,
          "name": "USD Coin",
          "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "version": "2"
        },
        "name": "USD Coin",
        "network_name": "Base Mainnet",
        "version": "2"
      },
      "issuer": null,
      "network": "eip155:8453",
      "pay_to": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
      "price_basis": "advertised",
      "scheme": "exact",
      "timeout_seconds": 300,
      "usd_market_value": null
    }
  ],
  "operator_identity": "not_verified",
  "output_schema": null,
  "protocol": "x402",
  "protocol_version": 2,
  "quality": "not_evaluated",
  "run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
  "schema_fingerprint": "a4d77d47b85630e6e4067691f43b26991c0a06cf420571ed0068b3c72be542cf",
  "service_id": "2617d287f7f10113f01a243374c947cb33244c9f65438d3bd7613e0aee87f167",
  "source": "cdp-bazaar",
  "source_updated_at": "2026-09-03T18:44:59.553Z",
  "url": "https://suedland.halowerk.com/v1/gr-elevation",
  "usage_rights": "not_reviewed"
}

Outcome evidence starts with your workflow.

Private intake is ready for task IDs, charges, retries, result fingerprints and your evaluation criteria. Public performance comparisons need measured results; we do not have that benchmark yet.

Discuss an outcome integration
Collection coverage

Discovery comes from configured registries. Endpoint checks record responses, not task success. Older snapshots retain less detail. Customer usage, commercial terms and task evaluations require additional evidence.

1,423 historical or current source records quarantined during normalization; they are excluded from public comparisons.

43 of 43 archive objects verified in Backblaze. Last verification: Sep 12, 2026, 05:56 UTC.

Collection status JSON