OpenTechnical

OT-2026-000087832

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087832) never changes.

Identity and time

Publication numberOT-2026-000087832 · never reused
Internal UUID01a0ae9b-1aa5-7b8b-985b-e8c62c23e263 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087832
StatusPUBLIC

Content hashes

Canonical text790c0cc9a191ae8e10f87d6939803e45040eb8dc80e26c862f8e898e74b3488b
Markdownc0b7ec07414396054e280f3c482d93fc174db377d6fd70cfecd58e7e0484af85
PDF
Publication page3cb70962f4a14b77e039e2279ff5ad36ecfc81de3c3b385e5dad9956672cf48e
Manifestece1300733eb677eafb8860b8da8efc9570f2687f13b2fb18f64f8b250f4716c

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
SignatureoSuWBxZhVqTeeHMasQnSmyJnQ4mIPtPwmKi6nsKuacX3ywtvLO11XkpB3fAhDivnB1m+AbUU4WJKoaFraMtPAw==
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

2026-09-17T09:49:04.422234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087832
observed 3cb70962f4a14b77e039e2279ff5ad36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.404470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087832/manifest.json
observed ece1300733eb677eafb8860b8da8efc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.385245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087832/publication.md
observed c0b7ec07414396054e280f3c482d93fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.366264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087832/publication.txt
observed 790c0cc9a191ae8e10f87d6939803e45...
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.