OpenTechnical

OT-2026-000104391

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000104391) never changes.

Identity and time

Publication numberOT-2026-000104391 · never reused
Internal UUID01a0aea5-3421-7fe9-900a-4afd39ae1c91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104391
StatusPUBLIC

Content hashes

Canonical texte34056d443452f602727fff90cada10d0c38d3946a4a17156cc50a5f8d7ae468
Markdown2a64b3afa9028e235b9dbd377e8fb94d04c9a845638b329073b4b982860b1122
PDF
Publication pageba3e63c146a2d9d1512cc0c3a596ed381007eb8b08972d291bbe2e8aa7190393
Manifest5a09cb20744813b363dc24fb9f4e4645b5516d3a93085af1c4236c619b02c967

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
Signaturejw27tZnaWNhWnsOtXJGd2BIlK0nn9D9JPnbfyg0f2vjt1q69AdzQhvtvzvUELjIecwCmNgF0dx2BLnt0+LOWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:39.485273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104391
observed ba3e63c146a2d9d1512cc0c3a596ed38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.467187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104391/manifest.json
observed 5a09cb20744813b363dc24fb9f4e4645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.449698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104391/publication.md
observed 2a64b3afa9028e235b9dbd377e8fb94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.432624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104391/publication.txt
observed e34056d443452f602727fff90cada10d...
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.