OpenTechnical

OT-2026-000051447

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000051447) never changes.

Identity and time

Publication numberOT-2026-000051447 · never reused
Internal UUID01a0ae83-7c80-7077-a1ff-4566d5704a54 · 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-2026-000051447
StatusPUBLIC

Content hashes

Canonical texta2085d8d78d00b2b5aadc67adf888a7becce079c9a78d08a971ff5c67785eb12
Markdowna3a3135811ca76cbec04ede72aa2007f54e4f3d4bacb223b51a78ad36d6dc4d6
PDF
Publication page46418afd509d5932969471a39c6c0a044f082c2ad6904599ebd93af0d04f994d
Manifest121d1f5806dcc0ab873769365eed38611d62662eb228400f22777feb73cdf059

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
SignatureyHhQplUhWaXsz7EbJN1rbNEVJnZiQdiDlKF03xjnYHbKjbikNwZQnUnRFMurawsAfOYKe5+KujDZpIFfSHS4AQ==
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

2026-09-17T10:58:10.379164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051447
observed 46418afd509d5932969471a39c6c0a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.361404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051447/manifest.json
observed 121d1f5806dcc0ab873769365eed3861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.342770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051447/publication.md
observed a3a3135811ca76cbec04ede72aa2007f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.324620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051447/publication.txt
observed a2085d8d78d00b2b5aadc67adf888a7b...
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.