OpenTechnical

OT-2026-000042723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000042723) never changes.

Identity and time

Publication numberOT-2026-000042723 · never reused
Internal UUID01a0ae7a-c0cf-7e95-aa04-efb05eb31472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042723
StatusPUBLIC

Content hashes

Canonical text6df5507e16efaf84537cb31392c876ced70fe496e596c85c6959a9c38648b96e
Markdownf0863dd36f61ce0c6dfb04c5f68187e2ba61afc7ee36f6694ded332ed2e4438b
PDF
Publication page19dd61462e30fa3649ae4beac761cc0364d3f47f2c18e60f53db494403948a63
Manifestb68095573c13da8618d28e8dde42aeeb70dde7978ada11602c2ac64804161a0b

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
SignaturezdnsIqi2REaEEYNm6xMrNS6fufV+cD+NjObhAg28wUNXz1QXFhGaHjVxTtZoUfAOjz2cmC0QXkCyorG86zI3Bg==
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

2026-09-17T11:15:09.775785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042723
observed 19dd61462e30fa3649ae4beac761cc03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.757792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042723/manifest.json
observed b68095573c13da8618d28e8dde42aeeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.738155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042723/publication.md
observed f0863dd36f61ce0c6dfb04c5f68187e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.719503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042723/publication.txt
observed 6df5507e16efaf84537cb31392c876ce...
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.