OpenTechnical

OT-2026-000087379

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000087379) never changes.

Identity and time

Publication numberOT-2026-000087379 · never reused
Internal UUID01a0ae9a-cd4f-75f8-8923-8bcbc173e83a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087379
StatusPUBLIC

Content hashes

Canonical textf08c9c34e2b0797fc0727e024b1d80e2e67ea6f952cfb2c45358783e06a2d6b6
Markdown544c1cb5f479569d846ea663388331eeeb27b531db27e2e9aa09457713b0703d
PDF
Publication page2644716aa515a658af0459e5461e1537829610481e954c9c525af3cb2782c252
Manifestc870038ad925d98e8aac335783f0a328eabd6f83b7111b97930668cd7dc38335

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
SignatureucIosvsl66hzUyLJ3U3k5SsM0AWRLdWl/uHoV8iO1i70oRJiLj2f4vHqUMvHYd6lWRLqyMhLqWJ4N+gzfZFKDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:34.171157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087379
observed 2644716aa515a658af0459e5461e1537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.154837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087379/manifest.json
observed c870038ad925d98e8aac335783f0a328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.138678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087379/publication.md
observed 544c1cb5f479569d846ea663388331ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.119641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087379/publication.txt
observed f08c9c34e2b0797fc0727e024b1d80e2...
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.