OpenTechnical

OT-2026-000088930

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000088930) never changes.

Identity and time

Publication numberOT-2026-000088930 · never reused
Internal UUID01a0ae9b-8f11-7c10-a1b4-6fe121903358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088930
StatusPUBLIC

Content hashes

Canonical texte8b9a1d1b8c2ab2ab7ff0f01a28b97369b5df7a255d08d1f6de70a63383f5c30
Markdownfc659ad6a5a25be39556ada06e45caad18fb5d858165eebe859dff8ab0b739a6
PDF
Publication page8aed53c219752907fd3106bbe4532a1672522d24d0ec8352c882a54247498499
Manifest51b30a7f1f98fed23613782afaaba7e6367152771d24a81670fe1fd2b425b282

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
SignaturecKd8qDx45fudyuZ5T4TDzDfbMy7INCzlgIPL6S+XOfK6TK6TRlB12eNpwRFQe0HZnAyTyAncJB6UyODZw7rgDA==
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

2026-09-17T09:48:20.315524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088930
observed 8aed53c219752907fd3106bbe4532a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.298284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088930/manifest.json
observed 51b30a7f1f98fed23613782afaaba7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.281903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088930/publication.md
observed fc659ad6a5a25be39556ada06e45caad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.264924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088930/publication.txt
observed e8b9a1d1b8c2ab2ab7ff0f01a28b9736...
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.