OpenTechnical

OT-2026-000034643

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000034643) never changes.

Identity and time

Publication numberOT-2026-000034643 · never reused
Internal UUID01a0ae76-1ed1-74de-96eb-48fcc63a1a06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034643
StatusPUBLIC

Content hashes

Canonical text11d70773bcffdb410f65714c8e604005d5e36dba68afda2039ee212103fb84f7
Markdown7a19cd4bf216dbaf1e5a4cf1b76567ed66cd3eba731632fd6d9a0ee81a811e93
PDF
Publication page78e2646faad6fc53374a852d4bc3fd6a766b9ee6d2380156bef67d691a01eda0
Manifest11d838a86dbc8306fe253c16bf8126461e1cc8de8501f666431ed7b7135b61ae

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
SignatureE7c38jmrdHf0MLnmiSsRaqB8vWhMsT8s+Wh8b4j8eGrEsvTa6BFm+OSgEmMMVzLqIh4E8X4SMSPyAe1Xe5vwBg==
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

2026-09-17T11:29:01.935953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034643
observed 78e2646faad6fc53374a852d4bc3fd6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.921041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034643/manifest.json
observed 11d838a86dbc8306fe253c16bf812646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.904666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034643/publication.md
observed 7a19cd4bf216dbaf1e5a4cf1b76567ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.887577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034643/publication.txt
observed 11d70773bcffdb410f65714c8e604005...
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.