OpenTechnical

OT-2026-000006828

Publication integrity record

Vacuum cup gripper, two outlet manifold, plant vacuum fed, 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-2026-000006828) never changes.

Identity and time

Publication numberOT-2026-000006828 · never reused
Internal UUID01a0a968-cd6f-72d9-ab92-34ce193d1b1a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:12.978156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006828
StatusPUBLIC

Content hashes

Canonical text1f395597babc23124c056f8011642a01b8c29d2a99d8ba13a0075a7c078de91c
Markdown297bee9b8752b51a7b28e38982eb6e98b0316621a1912adb383b8ddb68925469
PDF
Publication pagead76eb8da6777ea6ad862fe99623ecc5d648cb171a5237086924b2714e33f354
Manifestfee24db24d2a089ecc6b65dd7db0ecccc2d17c5e4a32df8edcce9f77f824be8e

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
SignatureO3/ZQpO1lz3q/Sa+YMOCxqNuzF9c0qoW8qhCav1WCNLiE22Oe7J28jqPKYLZ6CVNLwzQPNjTOfhu/k5+Sn5YBw==
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

2026-09-16T09:00:31.669082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006828
observed ad76eb8da6777ea6ad862fe99623ecc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.655863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006828/manifest.json
observed fee24db24d2a089ecc6b65dd7db0eccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.642638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006828/publication.md
observed 297bee9b8752b51a7b28e38982eb6e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.629511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006828/publication.txt
observed 1f395597babc23124c056f8011642a01...
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.