OpenTechnical

OT-2026-000092308

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000092308) never changes.

Identity and time

Publication numberOT-2026-000092308 · never reused
Internal UUID01a0ae9d-875b-7619-af32-6b39618f12cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092308
StatusPUBLIC

Content hashes

Canonical textdbeab96237af2247ff393ce9a873174195f28c049065487fc80ccf53e9d452d2
Markdown824c674066b50c697c61200100e0ca3b23b1369ca87af2de5ffbd8b4aa625f33
PDF
Publication page3af1ed5d258a8796dbbe4ab024b0f898ceb754199950ff092951ba6e2ede0f18
Manifesta24078fe6de05cfbc02a2d4f350e84024e7334ac67122c1a9a6e9a78c701a1df

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
SignatureB/bUYxuw35tR6s1iQl+kX39JkU883vp/deax0p7YqsKkrSK8q9I4ULv9WH8KdiSaVnOVhs/snIAEqs7NMxn9Dg==
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

2026-09-17T09:41:50.960618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092308
observed 3af1ed5d258a8796dbbe4ab024b0f898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.942541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092308/manifest.json
observed a24078fe6de05cfbc02a2d4f350e8402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.924909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092308/publication.md
observed 824c674066b50c697c61200100e0ca3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.906859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092308/publication.txt
observed dbeab96237af2247ff393ce9a8731741...
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.