OpenTechnical

OT-2026-000007351

Publication integrity record

Vacuum cup gripper, four zone face, plant vacuum fed, sustained blow off before set down

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-2026-000007351) never changes.

Identity and time

Publication numberOT-2026-000007351 · never reused
Internal UUID01a0a97b-b93c-7367-bc14-05dae6a5ea13 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:52.991283Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007351
StatusPUBLIC

Content hashes

Canonical textd868bee215713472f3046f0aa3c2e9cafff4ab3e7bba0f969cff9171d35bdaa7
Markdown2d0745fed09a7ece2d12029c6813e2f9f32a4f0eb2ef76f4d2b56c2228308391
PDF
Publication page132f47fcdbd6d61cb78c202941fc4f7b5f5c46d4e471e9e2fa8d5cd7cb1beea0
Manifestda417292da8d8af9774fc2be8cff1c7e578cb4633aae8ead0407191d1d3f2d89

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
SignaturePJGV7bGklBnksKChwndlfbKwOrZ2yMc3PEVWwhN4ZenmFcftryhmn/63Fe8ILYmxoyXLAyxO1PwtPWm3psHnBw==
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

2026-09-16T09:20:10.213650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007351
observed 132f47fcdbd6d61cb78c202941fc4f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.200263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007351/manifest.json
observed da417292da8d8af9774fc2be8cff1c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.186313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007351/publication.md
observed 2d0745fed09a7ece2d12029c6813e2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.171786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007351/publication.txt
observed d868bee215713472f3046f0aa3c2e9ca...
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.