OpenTechnical

OT-2026-000077352

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000077352) never changes.

Identity and time

Publication numberOT-2026-000077352 · never reused
Internal UUID01a0ae94-f509-7be6-9525-6305212e9d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077352
StatusPUBLIC

Content hashes

Canonical text1196dae4566acfa488aef30bb37a96231beba6bdfc4dfb1fed9e9884e397558e
Markdown001f76affe0f493f6d77e07ff9d1fcf80fa96611e85169d49c48972b55fb5817
PDF
Publication pagecd4414ae23d558bc71f64c5d19686c4a3d7c9de5d78d71d968c3b367400a63d5
Manifestfb2d6f0e20497eeec5186d1556ecbba3fc96650d80c09c3100faee4f27570873

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
SignatureXy5AcUmlkK9skjyj+6mOde/LsoHfG6i8DzJ1OzP8IFz/EM6j6gNbDhWpHfKI6P9GQKCNdk6xSpf0Y4/AMqEKDQ==
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

2026-09-17T10:08:59.668250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077352
observed cd4414ae23d558bc71f64c5d19686c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.648014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077352/manifest.json
observed fb2d6f0e20497eeec5186d1556ecbba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.628551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077352/publication.md
observed 001f76affe0f493f6d77e07ff9d1fcf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.609113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077352/publication.txt
observed 1196dae4566acfa488aef30bb37a9623...
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.