OpenTechnical

OT-2026-000073861

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000073861) never changes.

Identity and time

Publication numberOT-2026-000073861 · never reused
Internal UUID01a0ae93-2b8e-76b4-b248-72d57ee1043a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073861
StatusPUBLIC

Content hashes

Canonical textc72355726865e5e735be20c1ac5f31e68f1cd957af1fde5b79746b1d06002503
Markdowna77586dc4c89361f8da899dc883f1bbd95e76c5340d3bac86c4a1003db1dc808
PDF
Publication page62aeed44e2242fd3923255ca115eccf01718b2635633d618c29be501624b4421
Manifestbda8fc211c1e9c3b26fb0dacc8b5e9a824e6d69ee810fd28801be70c4966fa9b

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
Signature7lf6gIUlYcrkQfXITFAOWVwVQM0O7SBBtPeQ5NCrl2kViMaeTaQAwXmFxlaf+jPoxIZy5x8W8TO3JINX5WcHBA==
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

2026-09-17T10:20:00.204122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073861
observed 62aeed44e2242fd3923255ca115eccf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.183939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073861/manifest.json
observed bda8fc211c1e9c3b26fb0dacc8b5e9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.164702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073861/publication.md
observed a77586dc4c89361f8da899dc883f1bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.145355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073861/publication.txt
observed c72355726865e5e735be20c1ac5f31e6...
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.