OpenTechnical

OT-2026-000082797

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000082797) never changes.

Identity and time

Publication numberOT-2026-000082797 · never reused
Internal UUID01a0ae97-8cc9-7057-9881-0ca1dafb2a32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082797
StatusPUBLIC

Content hashes

Canonical textb8ec1db7650bf773ce834814076d00f55befc23042c43ee87f334617e0cc984b
Markdown50d8e5d6ebd5c60e0594aa079ff1db5942f1d126ba2daaf102491046314a344d
PDF
Publication pagebc7218eea1fa994ff65af6578d8fae36ad148faf8340c92bce91a2f431ea781e
Manifestc39837a0e18d6874613850d9e210531acda7c3acf893b2b5dbb800d7aacb1d3c

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
Signature4o7hxNopBy4xIssHvswXV3yfjtBYATj4K26yGMy0lNljDHdGdlJCzgGtoU0pd9Jpp8DZrHbcxPGQ5AMhGHulCA==
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

2026-09-17T09:58:23.364571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082797
observed bc7218eea1fa994ff65af6578d8fae36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.348216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082797/manifest.json
observed c39837a0e18d6874613850d9e210531a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.331420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082797/publication.md
observed 50d8e5d6ebd5c60e0594aa079ff1db59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.314179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082797/publication.txt
observed b8ec1db7650bf773ce834814076d00f5...
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.