OpenTechnical

OT-2026-000002751

Publication integrity record

Foam delivery chute

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-2026-000002751) never changes.

Identity and time

Publication numberOT-2026-000002751 · never reused
Internal UUID01a0a67e-8dea-7e94-b5a2-1869a093c0d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:15:06.858412Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002751
StatusPUBLIC

Content hashes

Canonical texta59dc944592ef617942a0879fc7d4ee0c26445b8700c0f8230732b9784d9848c
Markdownd4229dfcd7c1327ceb4ad5070c1e97a98a5240f985f71828b4d52da8b50e8216
PDF
Publication pagee632ad4297bd41fd51f152f299003c0a40ec7b3a04f4842c9e54c70627363fa1
Manifest1b6dcf0c51fbeb4d3fea6e6aac8335623e1527a0c61f9cb5ddf6d316cd6833d8

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
SignatureZ9TaJYVstFOpvRRZ8EZBqEvv5Ij0DTgwfCWzGUKJPUzkrouTMcN4GiNY3xbhg4HOPR3W4FH7LdRJWSr3ivGbDg==
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

2026-09-16T04:43:06.683640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002751
observed e632ad4297bd41fd51f152f299003c0a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:06.029560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002751/manifest.json
observed 1b6dcf0c51fbeb4d3fea6e6aac833562...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:05.660951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002751/publication.md
observed d4229dfcd7c1327ceb4ad5070c1e97a9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:05.369133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002751/publication.txt
observed a59dc944592ef617942a0879fc7d4ee0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:30:08.908944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002751
observed e632ad4297bd41fd51f152f299003c0a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:08.876545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002751/manifest.json
observed 1b6dcf0c51fbeb4d3fea6e6aac833562...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:08.862014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002751/publication.txt
observed a59dc944592ef617942a0879fc7d4ee0...
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