OpenTechnical

OT-2026-000068888

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000068888) never changes.

Identity and time

Publication numberOT-2026-000068888 · never reused
Internal UUID01a0ae90-6dcc-749e-8995-9ef4dc73eac7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068888
StatusPUBLIC

Content hashes

Canonical text11ce7008118c08262e2faad234724eb0af4cf87a01cbf82b884148573d28f346
Markdown8bc5221d7d10ebb6e0c3011960b7092c1dc1798f078d844a32f934189a744df4
PDF
Publication page27272ea7a17d48be21f981a24419a0ff4afd2dfc31de071a5880295b1b7ffed9
Manifest7cdeb4427ef0df1da69f7363dc79c6996240185a50b54852909f7258be2ec23c

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
SignatureGj37AUqcWrL7RAwmkFXESG7KUJDH7em6y7Esum82qqH3U6fZNLjcy+VZWSLcCew6hFWnyfbWUX2Gp4/y28OgAg==
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

2026-09-17T10:28:42.392619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068888
observed 27272ea7a17d48be21f981a24419a0ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.370690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068888/manifest.json
observed 7cdeb4427ef0df1da69f7363dc79c699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.352031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068888/publication.md
observed 8bc5221d7d10ebb6e0c3011960b7092c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.333231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068888/publication.txt
observed 11ce7008118c08262e2faad234724eb0...
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.