OpenTechnical

OT-2026-000091609

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091609) never changes.

Identity and time

Publication numberOT-2026-000091609 · never reused
Internal UUID01a0ae9d-43b8-7a9c-a53b-e1705d7738c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091609
StatusPUBLIC

Content hashes

Canonical text7766a79420d4a7554b1b10c33941f639b2f0aa6089df1d8466c9058212586994
Markdownc72762a25618ce7535f904d653e972cd39424388a4b8531b1c144c52070f872e
PDF
Publication pagee4ee43e0df9ed3af41e7053cab34f0992e5928c18016cd51e496ef65e591dc23
Manifesta4a6d3dbc3dc1022f278bae9302fbb02a99ad1efc903b3831528d9a21b7bb1f3

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
SignaturePQnT6d5KskF1w5RRUY41AVm28teGQFrK4dUhyA0HJfIdiIsPB/shQmsWDiSw40oWHQaTrYvKCWRowmFahMl4Dg==
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

2026-09-17T09:41:57.916857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091609
observed e4ee43e0df9ed3af41e7053cab34f099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.898625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091609/manifest.json
observed a4a6d3dbc3dc1022f278bae9302fbb02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.882057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091609/publication.md
observed c72762a25618ce7535f904d653e972cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.862642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091609/publication.txt
observed 7766a79420d4a7554b1b10c33941f639...
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.