OpenTechnical

OT-2026-000069253

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069253) never changes.

Identity and time

Publication numberOT-2026-000069253 · never reused
Internal UUID01a0ae90-b528-7be9-90f0-757c8b42ab84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069253
StatusPUBLIC

Content hashes

Canonical text604a8949226ffb2d22bd5d1ebc4221dcc3820148f9da0bd799083e43c67c571b
Markdownaab52d06292aeaa656631eddc5b2f004d39d469bdb7782970a75d86af6a7973b
PDF
Publication paged7b77dfb8566b23594a86ee78a24fa45f05ca4cc74d85095a359a49d064158cf
Manifest070d441802e491a905563077809af359fb0732e1972878a7cf21495cc42560b5

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
Signatured3I3BXgHvSAzU3kQF/sMWpJnbQoLOBFwvBqde9qkFA+puQS5gqS9+FXQ5vT8DluqUh7SNdRwpIImfEUqQuJtDA==
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

2026-09-17T10:27:19.769482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069253
observed d7b77dfb8566b23594a86ee78a24fa45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.751517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069253/manifest.json
observed 070d441802e491a905563077809af359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.732448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069253/publication.md
observed aab52d06292aeaa656631eddc5b2f004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.714080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069253/publication.txt
observed 604a8949226ffb2d22bd5d1ebc4221dc...
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.