OpenTechnical

OT-2026-000007289

Publication integrity record

Vacuum cup gripper, ejector fed, contact triggered, vented before set down, silicone cups, oval form

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-2026-000007289) never changes.

Identity and time

Publication numberOT-2026-000007289 · never reused
Internal UUID01a0a979-7325-7fa8-8020-f823beaefdaa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:23.975924Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007289
StatusPUBLIC

Content hashes

Canonical text282f03e71b69c3792035f92143a0d6219c97062221b16a0767a59781a1ae10f0
Markdowne0f76f265f3c756d7d7762391392d8cb96e6bd742fffa59140348166ef77a2f8
PDF
Publication page855903ef9564f348507e177a09c369a1cc789cac2c0de8c8d1bcd4fab31b94f1
Manifest54cb1366c152199dc25942f5a29ec6f939f3fbda65b1ad21bbc0485d8a86753c

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
SignatureMvR9pgHGl4Gy0Xx0H+b5lF7MXfjzUdIAIVmMQ1ldXItyXJKSsnnjWBw/m4hYkQogCFjLNC5zh4lqHEPZqFa0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:07.440584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007289
observed 855903ef9564f348507e177a09c369a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:07.428585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007289/manifest.json
observed 54cb1366c152199dc25942f5a29ec6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:07.415060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007289/publication.md
observed e0f76f265f3c756d7d7762391392d8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:07.402944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007289/publication.txt
observed 282f03e71b69c3792035f92143a0d621...
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.