OpenTechnical

OT-2026-000011124

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000011124) never changes.

Identity and time

Publication numberOT-2026-000011124 · never reused
Internal UUID01a0ae6c-540f-7a8e-b8a2-b15215b0265f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011124
StatusPUBLIC

Content hashes

Canonical textc2dbe6c8d0a06f9c97a9c6d18457d900667e27dc5c9142da15413b17d1215fd2
Markdown1b3c0a1ccac020968c9e42a20c517403e6ed5346abd99d5095d9ca47a24f8746
PDF
Publication pageebbdda9945157aae0725fe5c8b2eb2308f0ada53430960b8d226590efce3ec61
Manifest23b51ba0722e8c684e1cde6a913c40abeed2772daf4680b78899b4f3c0021a2a

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
SignatureUUVaFRWvTrgHp3AIkHwbZcj0lafLoPLrNbIoH9TRfzp5aylvieuankUuyCJlHtuC69/aN8AA87uMeBDKQ6sBBg==
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

2026-09-17T12:13:58.651426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011124
observed ebbdda9945157aae0725fe5c8b2eb230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.629589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011124/manifest.json
observed 23b51ba0722e8c684e1cde6a913c40ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.609272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011124/publication.md
observed 1b3c0a1ccac020968c9e42a20c517403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.589545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011124/publication.txt
observed c2dbe6c8d0a06f9c97a9c6d18457d900...
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.