OpenTechnical

OT-2026-000044660

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed blow-off 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-2026-000044660) never changes.

Identity and time

Publication numberOT-2026-000044660 · never reused
Internal UUID01a0ae7c-39da-781f-932f-b4c31844f73d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044660
StatusPUBLIC

Content hashes

Canonical texte49967c4c3d4546ca7044693f120d90ce792ead86ad8c9dff8ac29cbb0d83d31
Markdown27ad823b54225fbbd2560acd6f9cc9f6139c7a6e5b621bf01b12d8b98cfffda6
PDF
Publication pagecd868cdb2d9f351216c3a80bff0d518e03859d740da07087a98f32395f2dc98d
Manifest04a79e61c77c7f369c535beeec06ff726df250202e7d44841541fb70cba33f90

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
Signaturet6phVBMcDQE2M2wMJcC/JIz2x933JTV3s5cTwsMMeLnOApj5s6BNZ/edmsBn3u2kQ72zvbN5x9cbHBgawiG6Cw==
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

2026-09-17T11:11:54.476817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044660
observed cd868cdb2d9f351216c3a80bff0d518e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.457479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044660/manifest.json
observed 04a79e61c77c7f369c535beeec06ff72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.439430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044660/publication.md
observed 27ad823b54225fbbd2560acd6f9cc9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.422429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044660/publication.txt
observed e49967c4c3d4546ca7044693f120d90c...
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.