kairostamp.com

1 observations recorded. Last observed 4 September 2026. status: active

As advertised

Read from a directory and written down with its source and date. Not measured. provenance: recorded

url: https://kairostamp.com/api/v1/verify
hostname: kairostamp.com
operator: not advertised
capability: Receipt verification: read-only hash-chain verification of one existing Kairostamp receipt id. Recomputes the canonical SHA-256 digest, compares it with the stored chain hash, checks linkage to the preceding entry and reports whether the entry is covered by an on-chain checkpoint. Performs no outbound fetch. Single GET query parameter (receipt_id).
capability tag: crypto-onchain
source directory: cdp-bazaar

Seen

first seen: 4 September 2026 2026-09-04T11:24:51Z
last seen: 4 September 2026 2026-09-04T11:24:51Z
current status: active
observations: 1
observation cost, USD: $0.00

Price history

1 rows. 0 observed on a call Crosspeel made, 1 recorded from an advertised figure. The provenance column says which, on every row, and the two are never added together.

date	amount, USD	quoted amount	asset	provenance
4 September 2026	$0.00	1000	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	provenance: recorded

Cluster membership

This endpoint is not a member of any published cluster. That means either no match was found at the current threshold, or the observations behind a candidate match do not yet reach the depth the method requires. Neither is a statement about the endpoint. The thresholds are at /method.

Observations

observed at	status	ttfb, ms	total, ms	cost, USD	sha256 of body	evidence
2026-09-04T11:42:31Z	402	2436.22	2436.99	0.00	e0d16703a90c5b5539b5e121096678b4be109b2d3cb1518a4fbd828320e31736	not yet stored

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