OpenTechnical

OT-2026-000005986

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, ejector fed, vented 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-2026-000005986) never changes.

Identity and time

Publication numberOT-2026-000005986 · never reused
Internal UUID01a0a94b-62d3-7c92-8e91-df75ed8570c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:05.141764Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005986
StatusPUBLIC

Content hashes

Canonical textf48cc4d9aad8d8bfe5ca2d85d3bc72827512097e134c085020fbab05e645d405
Markdownfc7d02d9bbd1db623231c787b3c2db5f0ab0be45355207cd471f60c937ba2ccc
PDF
Publication page58eed00a4e8e5d19be036b959d044564ec3ed220e27860495bd39f42bb646d73
Manifest9084704cc26801250ff4188e616752567412827e0ce9b101a13284befcf5fd32

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
Signaturekkc9s2GA6NjmUFn15irwR5wkTs+l/F2goimDSlXavV+BNL8tT7bfoszYTmPHtnpjk2jjg28dPQAUYCNXJqGHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:09.410082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005986
observed 58eed00a4e8e5d19be036b959d044564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.393555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005986/manifest.json
observed 9084704cc26801250ff4188e61675256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.377292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005986/publication.md
observed fc7d02d9bbd1db623231c787b3c2db5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.239853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005986/publication.txt
observed f48cc4d9aad8d8bfe5ca2d85d3bc7282...
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.