OpenTechnical

OT-2026-000006767

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified, contact triggered, sustained 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-2026-000006767) never changes.

Identity and time

Publication numberOT-2026-000006767 · never reused
Internal UUID01a0a966-b71e-70e3-9cdc-50fda26b156f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:56.192955Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006767
StatusPUBLIC

Content hashes

Canonical text3f2dfe824b8b2858d2acb1d9b1b772f4834c638012ed86f868f209e40e0964e1
Markdownfcf5940131f1b1245d2396deb9b47365be870c452125ceaab82921d400eb63f0
PDF
Publication page5f4acec47e8b5d593f5b442bf8aba549ad103cb390148c8e8248f119ba7eb26e
Manifesta4ea033d88013ec23a0cbb8c59e98fe5b09292a86a3f1188487fbcd1838c2098

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
SignatureC1AfYQ+1zTbIK03/JJ3u8kgK9S5409GCq2xXAOzJpfiatPoEbKdjKvHf8nLyLOqA84Y9B60upNjMjTWKXH7jCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:08.650145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006767
observed 5f4acec47e8b5d593f5b442bf8aba549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.636423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006767/manifest.json
observed a4ea033d88013ec23a0cbb8c59e98fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.495405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006767/publication.md
observed fcf5940131f1b1245d2396deb9b47365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.482149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006767/publication.txt
observed 3f2dfe824b8b2858d2acb1d9b1b772f4...
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.