OpenTechnical

OT-2026-000087692

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000087692) never changes.

Identity and time

Publication numberOT-2026-000087692 · never reused
Internal UUID01a0ae9a-cd54-7caa-8110-cfacd2827c2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087692
StatusPUBLIC

Content hashes

Canonical textc9e3e6fcf880e0f837c4161f9bef8efe516309f212c6b2db34ff9236b95b4049
Markdownc67ee18fa4de90a1541a971e911606823e5ae6b200d1c0877830a353b9e9f3d0
PDF
Publication page534895e492e2b7f93c50e73d0a900bb0eaf8e82167980cb20faf525ae78f7809
Manifest8afd2783c6c2117df2fa1fc7143a14398f9cee45247249ffeea5513620ef48f7

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
Signature0/UKxbCS/PFXV+zAqZ/41O+zWXJGnmUHpF9mvsvJC7ukRWTy5QTYBk6GYqB+S8nlfQZmOmwtPEu/n71pIJoFBA==
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

2026-09-17T09:51:08.463475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087692
observed 534895e492e2b7f93c50e73d0a900bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.445833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087692/manifest.json
observed 8afd2783c6c2117df2fa1fc7143a1439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.427039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087692/publication.md
observed c67ee18fa4de90a1541a971e91160682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.411281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087692/publication.txt
observed c9e3e6fcf880e0f837c4161f9bef8efe...
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.