OpenTechnical

OT-2026-000025062

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025062) never changes.

Identity and time

Publication numberOT-2026-000025062 · never reused
Internal UUID01a0ae71-2729-79ff-835c-4754f29fabee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025062
StatusPUBLIC

Content hashes

Canonical text84ad2930afb8137ceca500c231d8658057d91133ee47b05d4f517f16c3f07ce5
Markdownb131b7048011de84667a00c07b629ad6124420e876011413de465db3e9936dfc
PDF
Publication pagefa63efbabb8d633daac1cf177f39005b6e1e5a6728ab1c96d8c4c62912fdd74e
Manifeste335003b7d73767eec03cf5e4bf4eb4a66db600eef1bf295d45d7c9a782a0a30

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
SignatureV/7VUkw9BQ8WvqbakGuE1awEPPP0V5awQD2UMM5tE3hKXctRxBcAJcedcg/sc2Q/UqaHiU+6jqUo8FRhLcINCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:28.356180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025062
observed fa63efbabb8d633daac1cf177f39005b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.338465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025062/manifest.json
observed e335003b7d73767eec03cf5e4bf4eb4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.321848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025062/publication.md
observed b131b7048011de84667a00c07b629ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.305625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025062/publication.txt
observed 84ad2930afb8137ceca500c231d86580...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.