OpenTechnical

OT-2026-000005707

Publication integrity record

Bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, contact triggered

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-2026-000005707) never changes.

Identity and time

Publication numberOT-2026-000005707 · never reused
Internal UUID01a0a942-1fcd-7034-98d6-2fea52b8e56b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:58.160861Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005707
StatusPUBLIC

Content hashes

Canonical text6dc9f63938e61b16eb0be87eb963ec0f22a935b968b41bb234e024737c7f80d0
Markdowne723520501e3396bf98c79be14062655b0195636e3619560cf90122b3489c273
PDF
Publication page739910d53d929776b9391ee660835fe913a4d9aa1feb67536015f404a91f76e5
Manifestef8c8e5af3a0790a2ce1ed7f6ecdc664966b8e1f4167b4d59eba99d5844dc85e

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
SignatureOV8ShEmMDsqxl3bY8e+RwMiIvRAeOwsikvPl0/oEDGybEsoDHfRna83SPaG+XdNEkobX8350IvdMf4CSSBnxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:09.243131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005707
observed 739910d53d929776b9391ee660835fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.229268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005707/manifest.json
observed ef8c8e5af3a0790a2ce1ed7f6ecdc664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.215568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005707/publication.md
observed e723520501e3396bf98c79be14062655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.198695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005707/publication.txt
observed 6dc9f63938e61b16eb0be87eb963ec0f...
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.