OpenTechnical

OT-2026-000085334

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, sustained blow-off before 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-2026-000085334) never changes.

Identity and time

Publication numberOT-2026-000085334 · never reused
Internal UUID01a0ae99-aaaa-7b33-b64a-f25aab7ca5e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085334
StatusPUBLIC

Content hashes

Canonical text09a231039f7de5e0f76d397770ace947aab690773cece276afef0adcc4f4bf9a
Markdownf03da94cbd84b89fb81ef7d58b66fbed2fae6a53615cfce97f3b0229dea643c6
PDF
Publication page1330943359e114791c59ecd55fab831f5be47c4e4d689006249d5f11fe09f390
Manifest53e401d50ad32647b1da1d52408219483b2f7a68896fcd749abf656f557ed61a

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
SignatureF2ixzApvZ6n2QaTng2ynx08OxLnrdpZpzOYMslvGAsZb5W2F1DTvDbjK4mhWL0bKw8JLUcdPc8WgZDWL/3USAg==
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

2026-09-17T09:54:03.631794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085334
observed 1330943359e114791c59ecd55fab831f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:03.613727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085334/manifest.json
observed 53e401d50ad32647b1da1d5240821948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:03.596604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085334/publication.md
observed f03da94cbd84b89fb81ef7d58b66fbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:03.579181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085334/publication.txt
observed 09a231039f7de5e0f76d397770ace947...
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.