OpenTechnical

OT-2026-000091670

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091670) never changes.

Identity and time

Publication numberOT-2026-000091670 · never reused
Internal UUID01a0ae9d-43b8-7ccf-a0d1-f92a57adbe33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091670
StatusPUBLIC

Content hashes

Canonical texta2d0dc9823e10d2326efc38dbc5b9fbeb88966361662b8505e9ba90c7199adeb
Markdown2654c4bedee08271613d952759f9df3fafccb9a1179571c6dd4ca7619bda1c1e
PDF
Publication pagea90c7599c83a1d5789b58e16eeba648fe46c73a8973c457e154809e61cafed91
Manifest215aef90eaab49aae04c415bfb7440f9b56efbee26c204c5c9fc6f400cb629bd

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
SignaturezVw0kp8QCSDnf+OEKSonlSvf+qt1EFa1sBp7mon8LsHEEeaP0Sp+QoFnkGNKxvrom+In+yEgAq68TzZVICh8Cg==
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

2026-09-17T09:42:02.968104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091670
observed a90c7599c83a1d5789b58e16eeba648f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.949935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091670/manifest.json
observed 215aef90eaab49aae04c415bfb7440f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.899194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091670/publication.md
observed 2654c4bedee08271613d952759f9df3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.844601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091670/publication.txt
observed a2d0dc9823e10d2326efc38dbc5b9fbe...
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.