← The evidence ledger
Evidence row 69769
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.vextorium.com/v1/atmospheric-co2
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2fdf67e5a13f2683a2bc33be89d04274afb489a14c138fa4803e303dc037db31
- Leaf
- 0x9297a3f75bbe45a7c75ee62afba71ade9a55587b414ea4bd53df14fa9c3ae35b
What was observed
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"raw": {
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{
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{
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"asset": "524C555344000000000000000000000000000000",
"extra": {
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"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
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"network": "xrpl:0",
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],
"description": "Atmospheric CO2 concentration measured by NOAA at Mauna Loa: latest monthly ppm, yearly change, comparison with 10 years ago and with NOAA's first record (May 1974), and the recent series. U.S. Government data.",
"extensions": {
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"ppm": 426.07,
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"series": [
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"period": "2026-07",
"ppm": 429.13
},
{
"period": "2026-08",
"ppm": 427.55
}
],
"source": "Data provided by NOAA Global Monitoring Laboratory, Carbon Cycle and Greenhouse Gases group (https://gml.noaa.gov/ccgg/), Mauna Loa. U.S. Government data, not subject to copyright (17 U.S.C. 105). Series from May 1974 (NOAA measurements only)."
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"last": {
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},
"lastUpdated": "2026-10-21T06:57:06.235Z",
"quality": {
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"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-21T06:57:06.004Z"
},
"resource": "https://api.vextorium.com/v1/atmospheric-co2",
"serviceName": "Atmospheric CO2 | Vextorium",
"tags": [
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"emissions",
"noaa",
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],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Atmospheric CO2 concentration measured by NOAA at Mauna Loa: latest monthly ppm, yearly change, comparison with 10 years ago and with NOAA's first record (May 1974), and the recent series. U.S. Government data."
}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).
- 0x929746fbda0b50fd38089d56e32fca3d3aa7eee7a52419d8b05dd37f33f5e3d5
- 0x2dce181f7fedb26f85946db2259148b60bfc91c9d9b507ff1950f88db4ea43d4
- 0xe41babd68c0470bdf44feb431cb160e3ce7aaab8e475b897286620776c151ac0
- 0x9bd66793b54b545515862b0c847eff3e4848ec1a2097add38064f38fe22574b7
- 0xdc37543698887d1986d8da1446c21fff0f6702cfd23210e2f6b20304ff5fb88a
- 0xbcd6636ca7ff02bfba05fdf9eb25d25f9090b76987f9e9cc87bb8537738ac8cc
- 0x050cd219642d1ef03b13e51f6b1a2e345165f2362fd1130f23a6962ed3f46917
- 0x9a8f365c9ada4c4fbefc51e28dd0f0b441e3aba3828b296ec0287a6c01fc9eb5
- 0x0c136dfcc1f943282b0084289338ad92a791a3ef38b386ba57b7a931b20edfcf
- 0x8a45c6c1da5d073416437d0946f0ab55916b463036f2f88da85a39961d6874d8
- 0xdcd590752acb338329aec3087ddc69ef4b8fcbe0bb91a9b8e37e17c10a9dfe92
- 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
- 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
- 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae