OpenTechnical

OT-2026-000003344

Publication integrity record

Sucked substrate detecting apparatus

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-2026-000003344) never changes.

Identity and time

Publication numberOT-2026-000003344 · never reused
Internal UUID01a0a6b3-a08e-7328-918d-516681078a67 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:13:05.038697Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003344
StatusPUBLIC

Content hashes

Canonical textf8b68914a6d7617770bb973a00b80305e100a09c6a8f4276648af69e6e24a30c
Markdown17d3cb4426b505a124ecdf67abe3f3aad59600485e9b0a73249c8057782bd769
PDF
Publication pagea2787bc1dac9fc0635bd437760e6506d95c5eb5e5c8b6320bcafb5e899185c9d
Manifest92ec1ceb57c1199ed65a546513c16c9c5736a071a5a1df461cb6a87ccd4d5309

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
SignatureutlsUHqgC7bheCjC1T27UmHk0aXpjexIngGxTwWXkf5Tj8jV6EmMsbwgPneOAHP5D2EdWjqVHwVzRnmUzAoIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-10-16T20:41:26.857237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003344
observed a2787bc1dac9fc0635bd437760e6506d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T20:41:26.755502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003344/manifest.json
observed 92ec1ceb57c1199ed65a546513c16c9c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T20:41:26.649769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003344/publication.md
observed 17d3cb4426b505a124ecdf67abe3f3aa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T20:41:26.474265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003344/publication.txt
observed f8b68914a6d7617770bb973a00b80305...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:20:07.306603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003344
observed a2787bc1dac9fc0635bd437760e6506d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:07.150936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003344/manifest.json
observed 92ec1ceb57c1199ed65a546513c16c9c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:07.138159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003344/publication.txt
observed f8b68914a6d7617770bb973a00b80305...
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