OpenTechnical

OT-2026-000073875

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000073875) never changes.

Identity and time

Publication numberOT-2026-000073875 · never reused
Internal UUID01a0ae93-2b8e-7c4d-b5f3-d9345935bf22 · 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-2026-000073875
StatusPUBLIC

Content hashes

Canonical textdc24b5d8104d4e5218fbdaf88d7a791a023415467c5c446cbdb41857c20c1f4b
Markdown5c58b5761364575230e0eb66aff133449c2fe6c0ea951a8ceeaf7b0e3d6fa26b
PDF
Publication page9bc08a8f263b39899b8c6c2ac395ee50307a9efb4d1f5f59bd3d531d65d6e5c1
Manifest8d55555121fd0058d9d7d5f9c8ab82f77355e7ea3a120fb1a43d21f42c691404

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
Signature3WLOQFOUwSMgAqtFyYOrhWZJuMnm3OLkzL4bq0GA2aeoKmAI5jr++Qw1rKzNbChviJcnIXhrIB7M0IZT71o4Cw==
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

2026-09-17T10:20:01.336330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073875
observed 9bc08a8f263b39899b8c6c2ac395ee50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.316505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073875/manifest.json
observed 8d55555121fd0058d9d7d5f9c8ab82f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.296448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073875/publication.md
observed 5c58b5761364575230e0eb66aff13344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.276642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073875/publication.txt
observed dc24b5d8104d4e5218fbdaf88d7a791a...
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.