OpenTechnical

OT-2026-000084291

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000084291) never changes.

Identity and time

Publication numberOT-2026-000084291 · never reused
Internal UUID01a0ae98-5b61-7cdd-8a69-b6eee4e6f82e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084291
StatusPUBLIC

Content hashes

Canonical text01a3ea8391de823032920093c14b60f880a8f66e7db5da461f31141986bdca03
Markdownd09741fd2cc4a5b795f5a052ca8496d004e3422aaf86d695dad87965e2449857
PDF
Publication page1b448e22b2483340aca44f0ac174c2e9dca5967616bff226cadb64294a3780a9
Manifeste8e252155889aafab0b79654da2255d01e828b31e6bd74632db853f39a937e78

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
SignatureylLI5pSSfmMkhW3mP6RQzjoCxznNVYPqZdmwvBsgmCemIMDTviI1a8PRrM3a/Xx2dLQCsxTMKOObXIryBMNpDg==
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

2026-09-17T09:56:12.690157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084291
observed 1b448e22b2483340aca44f0ac174c2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.673202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084291/manifest.json
observed e8e252155889aafab0b79654da2255d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.655077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084291/publication.md
observed d09741fd2cc4a5b795f5a052ca8496d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.636479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084291/publication.txt
observed 01a3ea8391de823032920093c14b60f8...
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.