OpenTechnical

OT-2026-000095678

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000095678) never changes.

Identity and time

Publication numberOT-2026-000095678 · never reused
Internal UUID01a0ae9f-fac4-75a0-bfc3-0e1f8145e03a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095678
StatusPUBLIC

Content hashes

Canonical text1f2db0a67c41c2f62bb3ca777161acc6d811ce6ba68f20d340a47b09dcbcd660
Markdownc8c6ac6af10ea98bfce6a02745f09a5abfdaf174a14bb0cc4b19dc96a2ee3f59
PDF
Publication pagec75f3ad2165b3462b169c6435d9d95d648dd582ab099ef9cccfaa479a483c6d6
Manifestfc20c944b04d6232cba4b2a13042b6451a547a68d8552fa8a019190dd6c71a40

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
SignaturecDNobr4OnlyUnGxhiAY4dBybn6WA1JgulKRTr5ix0SpFOmB2jQUp+a5gtf0bWDcuCQQImCKXAfO89ybv+3r2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:09.221135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095678
observed c75f3ad2165b3462b169c6435d9d95d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.204277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095678/manifest.json
observed fc20c944b04d6232cba4b2a13042b645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.187269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095678/publication.md
observed c8c6ac6af10ea98bfce6a02745f09a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.169736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095678/publication.txt
observed 1f2db0a67c41c2f62bb3ca777161acc6...
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.