OpenTechnical

OT-2026-000000326

Publication integrity record

Rosette strain gage and method of fabrication

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-2026-000000326) never changes.

Identity and time

Publication numberOT-2026-000000326 · never reused
Internal UUID01a0a673-3c53-794f-ac16-9d1608c49051 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:45.075551Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000326
StatusPUBLIC

Content hashes

Canonical text8ce5c7a04a3e7b5954b1416ceaec4e11ed417c673fd84981213a98c8b9266bcf
Markdown35fc956aac9d91105fb1a1843f86589d5ca2555e22872ce858f07ae97aa637ec
PDF
Publication page30b7f556a0a4448a51f0ccdd280bd9ac32f22e14601a19b946eda4f25a1eadc2
Manifestb9c0dd980f665bdf594c41300fe3517ae474bc3d0174b102be90426607486024

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
SignatureEyoUMRlFDVq+as1j+m+kVfOhaBFs3ZWe+eqZiVOO67MUkH8mY+pllR/DZngX/mwf74yQ1zsKJ3ZKBu20kbCmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:50:23.536871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000326
observed 30b7f556a0a4448a51f0ccdd280bd9ac...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:23.510375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000326/manifest.json
observed b9c0dd980f665bdf594c41300fe3517a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:23.497182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000326/publication.txt
observed 8ce5c7a04a3e7b5954b1416ceaec4e11...
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