OpenTechnical

OT-2026-000083829

Publication integrity record

Two cup vacuum gripper, two 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-2026-000083829) never changes.

Identity and time

Publication numberOT-2026-000083829 · never reused
Internal UUID01a0ae98-0418-7dcb-be7f-a74a8c5f27cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083829
StatusPUBLIC

Content hashes

Canonical texteee9cfa32c23117e6698fe2450f896139d98de7faac46d51c25df4ab09837b54
Markdown7cfabe7246f77909672b5e2578e5801f751f780e77d7af35e38d03bcdf674499
PDF
Publication page01ea8d1683062db891c76650e2796064a8dfd6ecf1bdc7f74cbc7918f23ba8b0
Manifestf7a700742a215f409a9b031d4bb2e20291e496f16eaf048f1db41fe3d5e1f6a6

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
SignatureUtkJa7tboaK0XoCptTW8vJqWCTNfqIQUfET+Ut2/cri7FuEHLmejbwb/MvJM02Kqpx5PNkw/NBOV86dtcKuEDg==
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

2026-09-17T10:00:05.535388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083829
observed 01ea8d1683062db891c76650e2796064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.512692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083829/manifest.json
observed f7a700742a215f409a9b031d4bb2e202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.485291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083829/publication.md
observed 7cfabe7246f77909672b5e2578e5801f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.450995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083829/publication.txt
observed eee9cfa32c23117e6698fe2450f89613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.064387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083829
observed 01ea8d1683062db891c76650e2796064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.047898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083829/manifest.json
observed f7a700742a215f409a9b031d4bb2e202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.031761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083829/publication.md
observed 7cfabe7246f77909672b5e2578e5801f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.015300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083829/publication.txt
observed eee9cfa32c23117e6698fe2450f89613...
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.