OpenTechnical

OT-2026-000081095

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained 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-2026-000081095) never changes.

Identity and time

Publication numberOT-2026-000081095 · never reused
Internal UUID01a0ae96-b977-7f8c-9523-42c331e93823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081095
StatusPUBLIC

Content hashes

Canonical text365a14e0c329764fffdfc8e64db9140a8fe1392b513e109ef3a02482e9457574
Markdownd52cb9b80c50d1bb29d5685a1d1fe3d3c1377daadf03063388ade49c054ef749
PDF
Publication pageae31a17447b8a96e32177b2bff3d4ffdda5d63bae046293ba3fe1307dcabdfd2
Manifestf594f3a773a6c02a4dc8654a42b60129b241495ac8da4416e74974a546dc204d

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
Signaturec8dKAz9rKnZWrZkhzk5TK4H0va1CRe8pQPuyyehmAgi//DBkSo2xOV0efk81NjblheHTSYUDGhPsAZSD6o2qCw==
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

2026-09-17T10:02:24.017029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081095
observed ae31a17447b8a96e32177b2bff3d4ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.001381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081095/manifest.json
observed f594f3a773a6c02a4dc8654a42b60129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.984229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081095/publication.md
observed d52cb9b80c50d1bb29d5685a1d1fe3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.966871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081095/publication.txt
observed 365a14e0c329764fffdfc8e64db9140a...
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.