OpenTechnical

OT-2026-000089576

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000089576) never changes.

Identity and time

Publication numberOT-2026-000089576 · never reused
Internal UUID01a0ae9c-1a21-70fd-8a0f-ba277e39b098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089576
StatusPUBLIC

Content hashes

Canonical text30c2c29488aa2ae192190d129032ad84270f234f6d886f3395cf0b5216699c47
Markdown4a37a4b9f32f1da437a84e262fb55b881c5d7aa2e3be752d0e8768e78bc62227
PDF
Publication pagea6181ba82911519811b0c1a61234c5a81e31f2ad1e139a4f0c2b710f71fbc0be
Manifest932b5b3306f5b1a63b8c4ab0cb6fcfc67f579aef20b865e2078ef6a67331b1ca

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
Signature76fmINpiLwPDIEWiOeeWWLXb1vtXXYavInCMBXcFy8nCzYRpYkE/7wynK89Ls0AgZ4wKyZYAgpL2VcPBjuKFBA==
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

2026-09-17T09:46:32.988094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089576
observed a6181ba82911519811b0c1a61234c5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.968543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089576/manifest.json
observed 932b5b3306f5b1a63b8c4ab0cb6fcfc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.949360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089576/publication.md
observed 4a37a4b9f32f1da437a84e262fb55b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.932401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089576/publication.txt
observed 30c2c29488aa2ae192190d129032ad84...
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.