OpenTechnical

OT-2026-000051417

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000051417) never changes.

Identity and time

Publication numberOT-2026-000051417 · never reused
Internal UUID01a0ae83-7c7f-756d-90e0-e02ee797783d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051417
StatusPUBLIC

Content hashes

Canonical texted89e30c35d5c043bdf8763de0edceef75ff395b11ccfd86c29577c2109ae3fc
Markdownb50a6d9c8ea4422bc12cfba65f3f05d70d80be51787937046dd48c6acf41becf
PDF
Publication page219b72b08617f9e27b3254ce1bc70d32cef161c92407887eafaeb7ae01b098fb
Manifestc024bcee997b40e9ef14111e5f54ffa57df31b639bdca1d72eb95b743917beee

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
SignatureUUgzHZ0G4LF6459tJCLKpnAsEe6bBFZaHxaMFJZYBcX/5kNmqt/pohy4yWsKwkSzXMGBL3FSWr1kz/mV4n8FBw==
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

2026-09-17T10:58:07.967260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051417
observed 219b72b08617f9e27b3254ce1bc70d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:07.947790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051417/manifest.json
observed c024bcee997b40e9ef14111e5f54ffa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:07.928912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051417/publication.md
observed b50a6d9c8ea4422bc12cfba65f3f05d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:07.911198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051417/publication.txt
observed ed89e30c35d5c043bdf8763de0edceef...
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.