← The evidence ledger
Evidence row 120566
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/research/dryad
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7a3e0c9931d2801152b905a5eb61ec5beb748dd4538da8ec7785c36eb2e1cd49
- Leaf
- 0xe03858c738a133fc5077d73638ff8d453b67a06e3d36e44825f0868d5f1ad64c
What was observed
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"name": "Saylor Innovations Data Desk",
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"raw": {
"accepts": [
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"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
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"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
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"memo": "saylor:datadesk:dryad-datasets",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
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"description": "Search Dryad open research datasets by topic - DOI, title, authors, abstract, field of science, publication date, size, license and download page",
"extensions": {
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"info": {
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},
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{
"abstract": "Climate-driven biodiversity erosion is escalating at an alarming rate. The pressure imposed by climate change is exceptionally high in tropical ecosystems, where species adapted to narrow environmental ranges exhibit strong physiological constraints. Despite the observed detrimental effect of climate change on ecosyst…",
"authors": [
"Alejandro de la Fuente",
"Alejandro Navarro",
"Stephen Williams"
],
"doi": "doi:10.5061/dryad.hx3ffbgjj",
"field": "Natural sciences",
"keywords": [],
"license": "https://spdx.org/licenses/CC0-1.0.html",
"published": "2023-01-19",
"size_mb": 0.7,
"title": "The climatic drivers of long-term population changes in rainforest montane birds",
"url": "https://datadryad.org/dataset/doi:10.5061/dryad.hx3ffbgjj"
},
{
"abstract": "Aim The increasing frequency and intensity of extreme weather escalate the pressure of global warming on biodiversity. Globally, synergistic effects of multiple components of climate change have driven local extinctions and community collapses, raising concern about the irreversible deterioration of ecosystems. Here, …",
"authors": [
"Alejandro de la Fuente"
],
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"field": "Biological sciences",
"keywords": [],
"license": "https://spdx.org/licenses/CC0-1.0.html",
"published": "2022-10-25",
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{
"abstract": "A shallow, seasonal snowpack is rarely homogeneous in depth, layer characteristics, or surface structure throughout an entire winter. Aerodynamic roughness length (z0) is typically considered a static parameter within hydrologic and atmospheric models. However, observations have shown that z0 is a dynamic variable, ne…",
"authors": [
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"Steven Fassnacht"
],
"doi": "doi:10.5061/dryad.80gb5mm35",
"field": "Earth and related environmental sciences",
"keywords": [
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"hysteresis"
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"license": "https://spdx.org/licenses/CC0-1.0.html",
"published": "2025-10-23",
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"title": "Dynamic snow surface aerodynamic roughness lengths (z0) characterized by snow depths using LIDAR",
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"items": {
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"authors": {
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"lastUpdated": "2026-10-19T03:25:45.718Z",
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"resource": "https://saylorinnovations.com/api/research/dryad",
"serviceName": "Saylor Innovations Data Desk",
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"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Search Dryad open research datasets by topic - DOI, title, authors, abstract, field of science, publication date, size, license and download page"
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- 0x0e823b0c80c694523fcdf4f2a2110ecc8f71d704ad6c085a1b04250218b97c99
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae