OpenTechnical

OT-2026-000068321

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000068321) never changes.

Identity and time

Publication numberOT-2026-000068321 · never reused
Internal UUID01a0ae90-2480-7117-a8f0-687f2a34300c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068321
StatusPUBLIC

Content hashes

Canonical textf89a82f3ad2eaf4fc3f41408f7315cf2819dead080f7eb79f1017037d1c1cc6a
Markdowna5ea719a05ea9bdea6d539da6eb7c0debeedfd398effcf095d788af304270338
PDF
Publication page8420718a66ac8085ed6c1ac0fd3386a158bd3b724e08553d51e4d6fb972b89f0
Manifest8d1253f0a5d664b748792daf5d6b6f7db528e6dddf0d75e8547cd134f03cfd54

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
SignatureGPbHXqHjxVG0g+nR2OH2XxS5ZAvmrJBAh+cRL4+vAKQr3SzgzVzvMPeGt0EoIieDPp3bKh7b8oKBu/bXrL/dAA==
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

2026-09-17T10:29:21.604359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068321
observed 8420718a66ac8085ed6c1ac0fd3386a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.585792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068321/manifest.json
observed 8d1253f0a5d664b748792daf5d6b6f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.568814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068321/publication.md
observed a5ea719a05ea9bdea6d539da6eb7c0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.551984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068321/publication.txt
observed f89a82f3ad2eaf4fc3f41408f7315cf2...
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.