OpenTechnical

OT-2026-000104007

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104007) never changes.

Identity and time

Publication numberOT-2026-000104007 · never reused
Internal UUID01a0aea5-15e8-7042-8abd-af2d497aaf67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104007
StatusPUBLIC

Content hashes

Canonical textcb6bc13a9b1690788d90a934466ed94bcf6dc20e055a2035cf48cdf1b46d5043
Markdown50e50f109b9d86e02a598cc7c22f01ec6b2b8382811610ad817c2495e6475312
PDF
Publication page562b3bc5297b24649cd0094d2c904f7b7f4d8bd9bdd3f1da3a989b870505d344
Manifestff8afe918a13c640ee73e70e87fe4492e00e4c27e4e582765f33e639e87867d2

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
SignaturetYvtbyucO647/gm9X+qzcwgjyZ+9Hl8vcuTMsAxNn00LH8l8RfdaCp9jDH7oEJaFCOMqz8LOzZoU/y7OgAOtCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:00.983861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104007
observed 562b3bc5297b24649cd0094d2c904f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.968088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104007/manifest.json
observed ff8afe918a13c640ee73e70e87fe4492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.949006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104007/publication.md
observed 50e50f109b9d86e02a598cc7c22f01ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.931474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104007/publication.txt
observed cb6bc13a9b1690788d90a934466ed94b...
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.