OpenTechnical

OT-2026-000023920

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000023920) never changes.

Identity and time

Publication numberOT-2026-000023920 · never reused
Internal UUID01a0ae70-aed6-7bde-a47c-04a452143314 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023920
StatusPUBLIC

Content hashes

Canonical text3ab281c53ce174605f1e34015a57dbbc120325209cb1acacd93bf6c50cfff815
Markdownf1761955fc5141f76fe66b477d57ee45648a3f1c3c434396b8e57229f249bbb9
PDF
Publication pagee6b378920bcbf98d8eb9d69e0ca96307ebd8d0fa8389949b7ead1ba3a29275af
Manifestbe3b1925890eafaa9da5e734861be49588b8ded9ce9a5c9518e7086d9ce6e2f0

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
SignaturefkJXPwltVo8zfU/bmYCksVF6AT2SIDaqVS8/m78vwwmZXqWMgzSmMDMl0UB6K1JKanrMdvTIsv0/KDDsjfBAAA==
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

2026-09-17T11:50:32.534800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023920
observed e6b378920bcbf98d8eb9d69e0ca96307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.517420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023920/manifest.json
observed be3b1925890eafaa9da5e734861be495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.499275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023920/publication.md
observed f1761955fc5141f76fe66b477d57ee45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.482953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023920/publication.txt
observed 3ab281c53ce174605f1e34015a57dbbc...
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.