OpenTechnical

OT-2026-000066875

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066875) never changes.

Identity and time

Publication numberOT-2026-000066875 · never reused
Internal UUID01a0ae8e-ce43-7c00-8126-7821aee3516d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066875
StatusPUBLIC

Content hashes

Canonical text92f402d21436b1804fdfb1259cde287b9c6e0f581122e128366360e7d52a6e08
Markdownd5de69a4ce9a116d1bde8d60c3cfd6da79545724ceff77ba544f6ea668a8427a
PDF
Publication pageb8834f65aedeb5a61209a6504fc34f0657c0541c2a4a10a43f1d7ab424888e48
Manifestcc22755b26ae6bdd2a9652f591a978e7b2dfadaf991f3828239366c6a168ee99

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
Signatureu4y9b0GHSqPHYcyl4SDMEqg2KnvrSyuDDlQktFL1AxwzOvHp340qyVsbVj1jX7qTkscACxTHVH6F9mCRW99ZBw==
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

2026-09-17T10:33:19.224234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066875
observed b8834f65aedeb5a61209a6504fc34f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.205153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066875/manifest.json
observed cc22755b26ae6bdd2a9652f591a978e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.187339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066875/publication.md
observed d5de69a4ce9a116d1bde8d60c3cfd6da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.170454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066875/publication.txt
observed 92f402d21436b1804fdfb1259cde287b...
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.