OpenTechnical

OT-2026-000013995

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off before set-down

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-2026-000013995) never changes.

Identity and time

Publication numberOT-2026-000013995 · never reused
Internal UUID01a0ae6d-8dea-7d7d-a6a7-412999396968 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013995
StatusPUBLIC

Content hashes

Canonical textc312daabe73480facc1374fa42313ff282ff6e7ba9d989a9389f5fb4a9d513a4
Markdown3395d30a576f2ed8bedbb98df53fc67924f4ce8b1606ec94f1077f1c370646c3
PDF
Publication page09ec10c1970ac6c79f2d938f4be7005960c708d88476684a0624549bad25b248
Manifestdadaaadb2b5ed0470da1ce52c840a4f8c2d29c2266be6870c373af3d7259e839

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
Signaturem/lJwTZ6Y/oQ6wWfvw+HiPEVsWEFzAjXZWN30G2i0QoDjNUBOYrO4zBVaaOOJA0dyxUbJfL8hMTP9Jamm8ujAg==
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

2026-09-17T12:09:12.884334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013995
observed 09ec10c1970ac6c79f2d938f4be70059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.862969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013995/manifest.json
observed dadaaadb2b5ed0470da1ce52c840a4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.843383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013995/publication.md
observed 3395d30a576f2ed8bedbb98df53fc679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.822741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013995/publication.txt
observed c312daabe73480facc1374fa42313ff2...
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.