OpenTechnical

OT-2026-000091386

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091386) never changes.

Identity and time

Publication numberOT-2026-000091386 · never reused
Internal UUID01a0ae9c-f16d-700e-8d08-b4a81dbb8cc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091386
StatusPUBLIC

Content hashes

Canonical text074a110ddd0c06aed2610cd7880b21e76ff8fe71b4f3a8d69264975fec00e0ad
Markdownba3ec626fb0a311cf0fa605a2a4c28df92e7653caf70eeba3ca1c571532bf2df
PDF
Publication pagefce493df70e2c774a06f9752b77047e360f30f5b400d8fe7ac65dbf6dc9941aa
Manifest91d6d0a6735804d103144282b25a64c970191631a4646314dbc8d9ec26438e69

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
SignatureG8EzDyO43BdqigWKigM8kKMOx8ECyO22qWHxiiTlWoKsvJ61tAexuN1RW5/4Dndpxl3QdjZMGbeF+/duS8+LDQ==
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

2026-09-17T09:43:36.562548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091386
observed fce493df70e2c774a06f9752b77047e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.545631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091386/manifest.json
observed 91d6d0a6735804d103144282b25a64c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.527353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091386/publication.md
observed ba3ec626fb0a311cf0fa605a2a4c28df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.510380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091386/publication.txt
observed 074a110ddd0c06aed2610cd7880b21e7...
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.