OpenTechnical

OT-2026-000022303

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000022303) never changes.

Identity and time

Publication numberOT-2026-000022303 · never reused
Internal UUID01a0ae6f-f4fc-78d6-9b09-e929e8ef1722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022303
StatusPUBLIC

Content hashes

Canonical textc8592f0bf58ccca0938f5b301bb849fc54dfe0e34e7a18bd1e8f0398b65d393a
Markdownbe6e8b10c28560ca5c0f9b2603a288e589a972a6b57291f68e4e12f691181f53
PDF
Publication paged16822dbd979fae3298810abfccfa5720ccd22b62e6ee68d50564b0a938b23b2
Manifesta22e6e83f5f8ce40148272393d0748559dd65f1d8f51e5aef1f78e5833a970ca

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
SignaturebpD6waS4G+xy0+CWbw2es7fuSBJ8haG10Y4I3xcJ5BM2Ls+O6/9tA/7libTmtU6WnmIuXck4YRghfWkZy3zNDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:06.529011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022303
observed d16822dbd979fae3298810abfccfa572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.509604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022303/manifest.json
observed a22e6e83f5f8ce40148272393d074855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.489562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022303/publication.md
observed be6e8b10c28560ca5c0f9b2603a288e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.469651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022303/publication.txt
observed c8592f0bf58ccca0938f5b301bb849fc...
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.