OpenTechnical

OT-2026-000076793

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076793) never changes.

Identity and time

Publication numberOT-2026-000076793 · never reused
Internal UUID01a0ae94-b070-7b92-a2a9-a3f4dc59836c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076793
StatusPUBLIC

Content hashes

Canonical text93e14af495ab5635a4965300988661da9fd4693d7ba54cdd1bcfe73c8412c15f
Markdowncbe6d3716652381abbd478eed2d438888a922276fcc7a79a6ce3fdf674543b38
PDF
Publication page7a35a457f8ba5bf57b7bcf74d7d78509c68013132a2ac5b41b230476bd1f0e23
Manifestd79af9b30582d5f18919ad45ce801ee3cd8e9e87e858ac5068af8921453798f0

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
SignatureXafKeoRwDhddkWKQgQ9bxzPw964aZL6s1WzVGVFIKYrUYHiDur7QTSYo/91UOYXB/j8N2dZGtCFV/9wpOufwCA==
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

2026-09-17T10:09:39.476088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076793
observed 7a35a457f8ba5bf57b7bcf74d7d78509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.456388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076793/manifest.json
observed d79af9b30582d5f18919ad45ce801ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.435429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076793/publication.md
observed cbe6d3716652381abbd478eed2d43888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.416323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076793/publication.txt
observed 93e14af495ab5635a4965300988661da...
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.