← The evidence ledger
Evidence row 262329
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.datapackvibe.com/x402/assistant-sector-ml-knowledge-topic-cross-validation
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- aab5fb08930a6b1b2cf75a18bb69f0e54cd79026ff928949e7b072e8724e1dfa
- Leaf
- 0x932564c49ae59367bbfd2608c197cf8c39ef31069d878ca43f3fdaa4016c7fd2
What was observed
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"name": "market.datapackvibe.com/x402/assistant-sector-ml-knowledge-topic-cross-validation",
"owner_address": "0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c",
"raw": {
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"payTo": "0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C",
"scheme": "exact"
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],
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"extensions": {
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"text": "setup sample document number 0 for this supplied dataset."
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{
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"text": "setup sample document number 1 for this supplied dataset."
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{
"actual": "setup",
"id": "example-0-2",
"text": "setup sample document number 2 for this supplied dataset."
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{
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"text": "usage sample document number 0 for this supplied dataset."
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{
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"text": "usage sample document number 1 for this supplied dataset."
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{
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{
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},
"lastUpdated": "2026-10-26T15:51:45.596Z",
"quality": {
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},
"resource": "https://market.datapackvibe.com/x402/assistant-sector-ml-knowledge-topic-cross-validation",
"tags": [
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],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Knowledge topic - Grouped three-fold baseline evaluation: Grouped three-fold baseline evaluation for Knowledge topic. Up to 200 supplied labelled text records. Local dataset tools, evaluation and small naive-Bayes baselines; no hosted model or foundation-model training. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded grouped three-fold baseline evaluation deliverable."
}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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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae