OpenTechnical

OT-2026-000091982

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000091982) never changes.

Identity and time

Publication numberOT-2026-000091982 · never reused
Internal UUID01a0ae9d-43bb-71f9-b9d0-e24d5cb5cb53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091982
StatusPUBLIC

Content hashes

Canonical text622b2bb1d073c99a2e8ab83a5cdecf3cf70b3f426e7492dd8850067763b90445
Markdown47c7c57603595fdadf5a1d71b38e643ed991afe248a3bd3a532f6f5a36663ba6
PDF
Publication page2f655e955db7ed3e7fef05420c4fc0e509573fa44166bbc126b69ccffb43aea5
Manifeste57cfe3f6a8471f6c06ffa679fb088f0cd14494fe5331223e3a67f008ba34de1

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
Signaturez3ihKv+uNlBQtUqqgfbZcIFK7AGFE0cfjSqnYhge0yMWrJ2iT/btzPlUvoSZrp1qHbNZOUX4f7WlZjBvrGWkCg==
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

2026-09-17T09:42:57.725855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091982
observed 2f655e955db7ed3e7fef05420c4fc0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:57.678082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091982/manifest.json
observed e57cfe3f6a8471f6c06ffa679fb088f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:57.626427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091982/publication.md
observed 47c7c57603595fdadf5a1d71b38e643e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:57.573126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091982/publication.txt
observed 622b2bb1d073c99a2e8ab83a5cdecf3c...
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.