OpenTechnical

OT-2026-000091666

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000091666) never changes.

Identity and time

Publication numberOT-2026-000091666 · never reused
Internal UUID01a0ae9d-43b8-7a53-b57a-c0106d8b69c6 · 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-2026-000091666
StatusPUBLIC

Content hashes

Canonical textadd0a1b4c84facd3f776b36664ceaf32d0737e052e23e45b5e8f52a89664a061
Markdown380c8d5ad586ed7b5ef2b6b651e98307569038f128ca6eabe556bbcdd4554a34
PDF
Publication page51b446454076a122b8e538cd7caacf632c3e2d837a9a0ea303c1a05d31df54a9
Manifest7e3d82189ce4af673aa5c3da6211eaa24b13e45112a942abc4c4b582c631eced

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
SignatureJTwsVIxpSidGOSPkZcGkWR6QL8U0g9adj35rTELwtoT+MVSzxVIC2aFTGjH0DY/V+cxALBlbNnUhn/aKmBIzBg==
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

2026-09-17T09:42:02.608414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091666
observed 51b446454076a122b8e538cd7caacf63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.592185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091666/manifest.json
observed 7e3d82189ce4af673aa5c3da6211eaa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.575356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091666/publication.md
observed 380c8d5ad586ed7b5ef2b6b651e98307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.557078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091666/publication.txt
observed add0a1b4c84facd3f776b36664ceaf32...
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.