OpenTechnical

OT-2026-000005031

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, pressure verified, contact triggered

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-2026-000005031) never changes.

Identity and time

Publication numberOT-2026-000005031 · never reused
Internal UUID01a0a92b-a236-7a9e-b4f3-e4756bb04508 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:24.217363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005031
StatusPUBLIC

Content hashes

Canonical textd200d222aa4a96321676ccd17ffc357c35f69b5a9a7688f245066348c544ac8d
Markdown9c31b8cee09c60aa98f8dda0eddeb1f1a285fb98e108525967c85113ac6ce704
PDF
Publication pagef97633b9bac5180e9ee0b7507ed119bd33e2e068e661499378d742f22ae3b89a
Manifest3bc616a8fc26c4ef58bb4f84104269f8ab1f089e269bb65354c4d5c6d5df10e1

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
SignatureGWorzgQbUZ5mpC8MpuzRUc+tqoZeliqT39pYxePPrXZZ5SonOULHd/kW9c47erjkC3M935zhR46yQmo5aVgXBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:22.953091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005031
observed f97633b9bac5180e9ee0b7507ed119bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.939487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005031/manifest.json
observed 3bc616a8fc26c4ef58bb4f84104269f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.925424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005031/publication.md
observed 9c31b8cee09c60aa98f8dda0eddeb1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.913179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005031/publication.txt
observed d200d222aa4a96321676ccd17ffc357c...
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.