OpenTechnical

OT-2026-000014225

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000014225) never changes.

Identity and time

Publication numberOT-2026-000014225 · never reused
Internal UUID01a0ae6d-b279-792a-8415-60988c45af6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014225
StatusPUBLIC

Content hashes

Canonical text5606f5ed63fe22dffd0e3583ae578c998422d08ab92e605e3bb59a15898d7cf4
Markdownba1004d56ea02303eb1a085cf3db46607fe0871633a74c7e49e7d8cdaecba3f3
PDF
Publication page158508f75e69605e6a9d3953fbb6b5e5ab616dd8a7d36efb9168121594ae9d91
Manifest5910c51aac58288dc846298e9fba79483bc24d179bcfa80163d9f4b3924a681d

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
SignatureqbismjjLJeq90IbErhvvaIzrqMOUT6fJxf6tfz2h2x1jUjOD/0kgwh0TSs/0ucC6x9Qdp4KwToJ7/epiegEaCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:20.230887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014225
observed 158508f75e69605e6a9d3953fbb6b5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.209346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014225/manifest.json
observed 5910c51aac58288dc846298e9fba7948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.187977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014225/publication.md
observed ba1004d56ea02303eb1a085cf3db4660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.169461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014225/publication.txt
observed 5606f5ed63fe22dffd0e3583ae578c99...
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.