OpenTechnical

OT-2026-000077611

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000077611) never changes.

Identity and time

Publication numberOT-2026-000077611 · never reused
Internal UUID01a0ae95-2ece-7738-9204-71d3d6ea443c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077611
StatusPUBLIC

Content hashes

Canonical textb33a8eb5e7fdb9ca0a79cc75e35350c12692ea6ac1ae33cdad98370bfa921c6b
Markdownb475a5d97947f9b198fbf0db21c1082bab764e15c05089cbd08688fc48a79e3e
PDF
Publication page393d1cc55985c5ce3bb18073c660a3c30c142b23d4caab7a003f664272434dbf
Manifest5cf73fd09c1fc29b2f5f364cd78b177873dc64ecc62e5cd5e0928afba25020f1

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
SignatureKfQtBJC8qqt6VJV3IRatcOQnAtdhwn6rT2vrEXzyGSELStFF9pbTaqmKq6/IsCFJkoDvX8uSXNFDWUsLk0+bBg==
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

2026-09-17T10:07:10.305694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077611
observed 393d1cc55985c5ce3bb18073c660a3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.286686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077611/manifest.json
observed 5cf73fd09c1fc29b2f5f364cd78b1778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.266571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077611/publication.md
observed b475a5d97947f9b198fbf0db21c1082b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.247836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077611/publication.txt
observed b33a8eb5e7fdb9ca0a79cc75e35350c1...
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.