OpenTechnical

OT-2026-000002564

Publication integrity record

System for handling biological tissue samples

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002564) never changes.

Identity and time

Publication numberOT-2026-000002564 · never reused
Internal UUID01a0a67d-6d06-767b-8a6c-9c628ac2de98 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:52.902426Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002564
StatusPUBLIC

Content hashes

Canonical text08927bbf25a38f51e2dd2f3df5a21d4778362be59f2501104321713e4424b2b6
Markdown5ba96b2863e54b766acc18ebc88d1f048f3a4045158fb82f1117bd051a5c9c2b
PDF
Publication page58cc0a4a88bf7ccabd793d3b38dcab9aaee7a999673d20af1d68928e1a0867a1
Manifest569ed42633041aec5aaaccb23c74d8cf8e854de341d97d74b2d841a751e3a8d0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureIi1WVW20cQKVfYWpHcMkTa6HhZRHdPhRP0K6YNr8LtQiE6suEQPjTbdPTND150tjnzlRt4YL86QJCmPrU7lVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:30:32.098618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002564
observed 58cc0a4a88bf7ccabd793d3b38dcab9a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:31.905422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002564/manifest.json
observed 569ed42633041aec5aaaccb23c74d8cf...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:31.889250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002564/publication.txt
observed 08927bbf25a38f51e2dd2f3df5a21d47...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent