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Independent MeasurementEndpoint record (L0 · L1)Published state: passLast probed: 2026-09-26 · today

agentshelf.syntexa.ch/v1/hmac-sha1-base64

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://agentshelf.syntexa.ch/v1/hmac-sha1-base64
Sourcecdp_bazaar
Declared methodPOST
Networkeip155:8453
Receiving address0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38
Declared price (base units)3000
Catalog statusactive
First seen / last seen2026-09-23 01:02 UTC / 2026-09-27 01:02 UTC
Catalog-reported calls / payers (30d)1 / 1

2.Probe history

2026-09-232026-09-26
Figure 1. Probe timeline, last 6 probes for this endpoint (UTC). Filled = pass, crossed = fail, dashed = unverified. Same-day probes overlap.
L0 probe history, newest first
Probed atMethodVerdictHTTPLatencyReason
2026-09-26 22:40 UTCPOSTpass402574 ms—
2026-09-26 04:40 UTCPOSTpass402527 ms—
2026-09-25 13:40 UTCPOSTpass402454 ms—
2026-09-24 16:40 UTCPOSTpass402524 ms—
2026-09-23 22:40 UTCPOSTpass402329 ms—
2026-09-23 10:30 UTCPOSTpass402314 ms—

3.L1 — real purchases

0 of 1 paid attempts settled with a receipt, and 0 of those also returned a 2xx response (delivered). Each settled row carries its on-chain transaction hash — the receipt is the evidence. A settled row reads as nonce-bound when the on-chain re-read also matched the one-time signature nonce we generated for that purchase, and amount + payee when it matched amount, payee, asset and chain with no nonce on record — the binding shipped on 2026-09-04, so earlier rows carry the weaker evidence and keep their label rather than being demoted (methodology). settled is the transfer we confirmed on-chain; delivered is the response arriving. A settled row whose paid request answered 5xx counts as settled and not as delivered — definitions.

1 of those paid attempts are held as inconclusive rather than counted against this seller (0 settled and answered 4xx, 1 answered 4xx with no settlement receipt, 0 answered 402 or 5xx while our own payer wallet was out of USDC, 2026-09-13 00:00 to 2026-09-15 23:49 UTC). A 4xx says the request was not one the server would accept, and we cannot rule out that the request was ours to get wrong: vet402 buys with no API key of the seller's, and sends a POST body only when the seller declares one. This is the same principle the methodology already applied to path_template URLs, applied to the body and the authentication header as well. The rows are not deleted and not hidden — they are below, with their status and HTTP code, and they are out of the denominator for delivered (corrections).

0/1
Figure 2. Settle-through: one cell per paid attempt. Filled = settled with an on-chain receipt, crossed = paid but no receipt.
L1 purchase history, newest first
Attempted atResultHTTPReceipt (tx)Latency
09-24 00:02settle_failed400—495 ms
3000 units (≈ $0.003 USDC) · L2 not_checked

Get one email when this record's verdict changes. No digest, no marketing — one message per change, and only for this endpoint.

4.Catalog listing events

No listing changes observed.

unverified is not a failure; a fail is published only after two consecutive failing probes. Definitions: methodology.

5.Dispute this record

Think a measurement above is wrong? Say which probe or purchase and what you observed instead. One person reads it and replies. The record is never deleted on dispute: if it was wrong, the correction is published with the same weight; if it was right, it stands. Operators who control the receiving address can also sign a dispute via POST /api/v1/observatory/disputes (API reference), which re-measures through the normal publication gate.