OpenTechnical

OT-2026-000083786

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000083786) never changes.

Identity and time

Publication numberOT-2026-000083786 · never reused
Internal UUID01a0ae98-0417-72a8-8b13-edbe57d3a41c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083786
StatusPUBLIC

Content hashes

Canonical textfec63162bad99e8384302319eeddd8e86aa5e6a08f2caec325dc5ea106a8ef1e
Markdownb3d9317f970fc934abfaebe63703035547fc99fa74564632e3be94885869f75b
PDF
Publication pagec61b065255f1a0fb6e927c2286ac16595653e64c938c72bfe476ba971f758582
Manifest92a975534100dc3a2b81aed06a554643e76c463ee73de14415fc055d33e9c121

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
SignaturewwNc0zpe3wdMcjFxgpH+6Yfy3u/31g6mu1T35XybiSdDg5CNWBPCkRe3H2vw0WwWOBucBxCC9khe1ISoRmWfAQ==
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

2026-09-17T09:57:25.862089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083786
observed c61b065255f1a0fb6e927c2286ac1659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.846100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083786/manifest.json
observed 92a975534100dc3a2b81aed06a554643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.827835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083786/publication.md
observed b3d9317f970fc934abfaebe637030355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.811816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083786/publication.txt
observed fec63162bad99e8384302319eeddd8e8...
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.