OpenTechnical

OT-2026-000077298

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented after 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-2026-000077298) never changes.

Identity and time

Publication numberOT-2026-000077298 · never reused
Internal UUID01a0ae94-f508-7f42-9045-c3dd1ca2361c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077298
StatusPUBLIC

Content hashes

Canonical text9b90c34245e1825d0a75247304d5d0b282d90f58501214423d5fb1c8281521f1
Markdown7fe3a8de7ee9a1dbb0531ec01f9202c4d23d31ae2b7b20940875ab44a090c7c9
PDF
Publication pagef12cb127bd5a8b53a07c8d71d4da246e81e9ffc5a4f0a77c5e5d59373f61a333
Manifest2f9ce278a08666cba0f1c56b691d32775e42f65b15a4007fb2a4d6820bcb3134

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
Signature/I76IZpU9Hxy8xQooNFwBL/JxPSwu9FtBDTcyPdZ/DD81MXuKFjSzL/6wE0cqsfJM5zKfx6xwxAhpmvPUlJwBA==
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

2026-09-17T10:08:56.004944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077298
observed f12cb127bd5a8b53a07c8d71d4da246e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.987456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077298/manifest.json
observed 2f9ce278a08666cba0f1c56b691d3277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.969408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077298/publication.md
observed 7fe3a8de7ee9a1dbb0531ec01f9202c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.950665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077298/publication.txt
observed 9b90c34245e1825d0a75247304d5d0b2...
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.