OpenTechnical

OT-2026-000013653

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000013653) never changes.

Identity and time

Publication numberOT-2026-000013653 · never reused
Internal UUID01a0ae6d-8de8-7446-99a2-643f51da8466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013653
StatusPUBLIC

Content hashes

Canonical textf9eacce8b3569cc9f71f9c53fe0841a89c2b58febb854e7fce232b0a37bf3693
Markdowne932246dc24fd179260af623f364cbd7a7e919ebc0bb3f2d0fdfb3fbecfeb41c
PDF
Publication page97605293e1e7ca944d362013efe86462bdec09d277c679b2c9d2309116c82b33
Manifestf755944ecccd3d1b42978d51bbc2a754b9f1aef801c6e257bf632ad56b08e129

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
Signaturejr+5jJ0TLeNr7TtZ2OVO3jc0IhqnHwqH73WHynwwNOL5H8u2dUxjzkcOMe8Gs/p+I896UDRry93ApaaO/bz0BQ==
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

2026-09-17T12:08:35.508162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013653
observed 97605293e1e7ca944d362013efe86462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.491319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013653/manifest.json
observed f755944ecccd3d1b42978d51bbc2a754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.473111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013653/publication.md
observed e932246dc24fd179260af623f364cbd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.453434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013653/publication.txt
observed f9eacce8b3569cc9f71f9c53fe0841a8...
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.