OpenTechnical

OT-2026-000027445

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027445) never changes.

Identity and time

Publication numberOT-2026-000027445 · never reused
Internal UUID01a0ae72-6998-70c8-99cd-a023892edd60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027445
StatusPUBLIC

Content hashes

Canonical text60b0b4636ef3857c105d0641661c7434267e12396c61fa0da79581d85b5383a6
Markdownfcd9daec3de8cfad8b744e1ea658b5d0fb2345bd4c7212e98acd347bd50d1e6a
PDF
Publication pagec679ad488655182fb3521b14a2f0592afb4e2064ea08df5f57e1c0f0e4ba01f0
Manifeste5d9fb93650889f6da0481edceff46ed4f51b88eae0b7af90099114e78ddacc9

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
SignatureYgNegD2NcTymYrrZwmykJZVh+blZsbVIMKnGuvI/YOT8GNAe673T8ASqzHOePlzXDctOelbOrfb2Rc7Mmk6YCg==
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

2026-09-17T11:42:53.949896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027445
observed c679ad488655182fb3521b14a2f0592a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.930460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027445/manifest.json
observed e5d9fb93650889f6da0481edceff46ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.909246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027445/publication.md
observed fcd9daec3de8cfad8b744e1ea658b5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.888653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027445/publication.txt
observed 60b0b4636ef3857c105d0641661c7434...
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.