OpenTechnical

OT-2026-000065291

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000065291) never changes.

Identity and time

Publication numberOT-2026-000065291 · never reused
Internal UUID01a0ae8e-1dfa-71ee-a965-d00d2940f3a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065291
StatusPUBLIC

Content hashes

Canonical textc284562f48897b40f455756807824d71504ba2003158e864c18843f7542f4f97
Markdown09c3cf83228fe6c04af8322375fc9d10b96b1d40ff99899e16d2a5d3a52c167d
PDF
Publication page84d9868bef45e16d921acc1f0e85d39a8ff6d48b95f0f5107dc9110dec231126
Manifest7e410f5ba6e31cc248541bb9fe40420319b694e543d393606218877316899160

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
Signaturet1OxU4l3TurIUWeU/eVTnn5RHC8PxwPWqYRgmPj/oTF+TdoPJbzWFm7+1S4rkk+Oz2aWfAvNmJrtcoucwOf7DA==
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

2026-09-17T10:35:15.710782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065291
observed 84d9868bef45e16d921acc1f0e85d39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.691792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065291/manifest.json
observed 7e410f5ba6e31cc248541bb9fe404203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.674022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065291/publication.md
observed 09c3cf83228fe6c04af8322375fc9d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.655355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065291/publication.txt
observed c284562f48897b40f455756807824d71...
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.