OpenTechnical

OT-2026-000075949

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000075949) never changes.

Identity and time

Publication numberOT-2026-000075949 · never reused
Internal UUID01a0ae94-2a00-72f1-b6d3-9f742ca4fb2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075949
StatusPUBLIC

Content hashes

Canonical text544179f7f5ebb5962a12a8ba204eeb816e5784741a0a795ad68a9c54c5786fd3
Markdownf0591535149d652520d575407d2ad5872676aadf6e8535d77de5ecf24c0e7cc3
PDF
Publication page1a3e5aae9a119e11fcd1e76936565fff1f494c0bb469c5b8d608d4a68fb71841
Manifest0051cd31c6c8341dce92c1cb3bf275d8f8aec8df03ca4d3b307377cd4ba65439

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
Signature2k+t3K2Ysgb3tl0r94qe8Hxy/hJ0ZnCfiufLQp6dvRAyeTgnZKRKYiDhYdVBwxA0Nx5BSKiCWlNKk764yUdgDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:04.187512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075949
observed 1a3e5aae9a119e11fcd1e76936565fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.170018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075949/manifest.json
observed 0051cd31c6c8341dce92c1cb3bf275d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.150580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075949/publication.md
observed f0591535149d652520d575407d2ad587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.130351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075949/publication.txt
observed 544179f7f5ebb5962a12a8ba204eeb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.447109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075949
observed 1a3e5aae9a119e11fcd1e76936565fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.305910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075949/manifest.json
observed 0051cd31c6c8341dce92c1cb3bf275d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.290207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075949/publication.md
observed f0591535149d652520d575407d2ad587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.272608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075949/publication.txt
observed 544179f7f5ebb5962a12a8ba204eeb81...
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.