OpenTechnical

OT-2026-000069973

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000069973) never changes.

Identity and time

Publication numberOT-2026-000069973 · never reused
Internal UUID01a0ae91-1860-7a2f-a6b6-487f667f17dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069973
StatusPUBLIC

Content hashes

Canonical textc90f8805d30e731f17ebe9e1e9420d2bcc9059af7028eccf27ac0949899be50f
Markdown6686277719e4c27014c65c2dc33dea99a2f790996df3d2792ddb4f464573f558
PDF
Publication pageafacdc73548a77dc0b8c6e77d0b5637bacf4d3b9b529707359dadb502d99acd7
Manifest855605f2f55d508b4a47c679d045ecf4d04f298e408583aed769b05992574cb3

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
Signature52fm+aiFgDQVW/94sN8EgDAFnL8RgdHBvhmGvGotnmdng1Me3q5lr4GtFvwy3ZS6sf7JdPbeWjGiwzKrwtywBA==
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

2026-09-17T10:26:54.992013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069973
observed afacdc73548a77dc0b8c6e77d0b5637b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.975267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069973/manifest.json
observed 855605f2f55d508b4a47c679d045ecf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.957439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069973/publication.md
observed 6686277719e4c27014c65c2dc33dea99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.921653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069973/publication.txt
observed c90f8805d30e731f17ebe9e1e9420d2b...
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.