OpenTechnical

OT-2026-000025575

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pulsed 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-2026-000025575) never changes.

Identity and time

Publication numberOT-2026-000025575 · never reused
Internal UUID01a0ae71-5fa8-774b-b8b5-c3c46063e574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025575
StatusPUBLIC

Content hashes

Canonical text9cb82cabd550ff9ada761ab910d8362ecdb3d83e09407d7341c2051a8a7d1ef2
Markdowna83c9383b51bc167437c868ae18d94e9d8b1947d396ed06f3ec672e2fa96ee6c
PDF
Publication pagee87fa872572f2773533bfe8bc97b23bb0a080dc22edaf38e9ee7100daba45977
Manifest2fec120a4bf3911f382be17d8eebc00ac50c8c366fb178e1e8668da2f31cf6da

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
SignatureeR/GDBlyua1FFngHv1Wr+dUJl0Kfpf6VHrvONlmb9u/PiShqvSfK3TsVaJSiIjFYXt/0j/Zhd1RPjnVOLLyPDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:44.265243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025575
observed e87fa872572f2773533bfe8bc97b23bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:44.246706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025575/manifest.json
observed 2fec120a4bf3911f382be17d8eebc00a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:44.224852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025575/publication.md
observed a83c9383b51bc167437c868ae18d94e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:44.204652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025575/publication.txt
observed 9cb82cabd550ff9ada761ab910d8362e...
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.