OpenTechnical

OT-2026-000030232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000030232) never changes.

Identity and time

Publication numberOT-2026-000030232 · never reused
Internal UUID01a0ae73-e500-76e9-bcc5-46bdc2cd5c38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030232
StatusPUBLIC

Content hashes

Canonical textbb157ebc6bcc39744f46026762892304ec9c5f4ca7c56e5d2079e123434878d7
Markdown2a1c41016853486caafe1ed06e93765274d2df00e989ed86f8b554cb74702c2e
PDF
Publication page95b32bc128ac016d823176ff2a863d607df8ae922c3e50f0b2819cb7854b1cc6
Manifestf486134a291ee042e424314ac4a3020f39b56990c486fdc2812c84bab20f9b5a

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
SignatureSRkA+DG/wY31AwJNkjV8ED+fCycLlClPSCKj8ITaglfFIMicgz006ZSP6kkt/db3BUySg26fF+oVQD13WFqdBw==
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

2026-09-17T11:40:36.653821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030232
observed 95b32bc128ac016d823176ff2a863d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.633906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030232/manifest.json
observed f486134a291ee042e424314ac4a3020f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.611911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030232/publication.md
observed 2a1c41016853486caafe1ed06e937652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.593916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030232/publication.txt
observed bb157ebc6bcc39744f46026762892304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:53.183051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030232
observed 95b32bc128ac016d823176ff2a863d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:53.161695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030232/manifest.json
observed f486134a291ee042e424314ac4a3020f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:53.136711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030232/publication.md
observed 2a1c41016853486caafe1ed06e937652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:53.118294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030232/publication.txt
observed bb157ebc6bcc39744f46026762892304...
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.