OpenTechnical

OT-2026-000073911

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000073911) never changes.

Identity and time

Publication numberOT-2026-000073911 · never reused
Internal UUID01a0ae93-2b8e-7165-a879-10e71683bf49 · 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-2026-000073911
StatusPUBLIC

Content hashes

Canonical texte729b3cd63d2cff30c03c6d142f6e6f5c27f8c9940c48605f11da52ca76db4aa
Markdownbb228a626682f93b4f5f4fc79f3feb01f1c93041dc34902cac484869cda002e8
PDF
Publication page76c3f871033845abd39ee1122b84a02be84ca9928555da869bc8820ba8bcd156
Manifestd6615de2766052f7a6ac1f3ffc984bc12e29fa26eafb11ae6c9bd3d4ae34d6c7

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
Signature7Q9ARcggQA9NAxhxzOVBBWpjg379o7oqHeTLuwenbeOKf0NWx8cao7c3plogqP/jmDQRzbQPGCZGoPtS3MfjCg==
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

2026-09-17T10:20:04.313359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073911
observed 76c3f871033845abd39ee1122b84a02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.295472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073911/manifest.json
observed d6615de2766052f7a6ac1f3ffc984bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.277089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073911/publication.md
observed bb228a626682f93b4f5f4fc79f3feb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.257897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073911/publication.txt
observed e729b3cd63d2cff30c03c6d142f6e6f5...
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.