OpenTechnical

OT-2026-000048603

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000048603) never changes.

Identity and time

Publication numberOT-2026-000048603 · never reused
Internal UUID01a0ae80-4de8-7c9a-978c-d01c43bba8a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048603
StatusPUBLIC

Content hashes

Canonical textd6f9a6d17f4a456de06fd84d3c05f4eeb360c261df222ce12b76fee5a402ea10
Markdown9a48aa1718a17bdcc34136e49fcae58ef1397ee6e8219847c3119abe1bb6af0d
PDF
Publication page0bdf72d092dc3afc3aee56dd65455124fb145f03ceedfaecaa6b7d77bee3f22a
Manifest499c9b6bbb591abcd6ba47d7f896463b6cfaa36a3b96faba69eaf7c6a85d1bc3

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
SignatureOs5mm3smU/DwxEhd+iIQFyVZfcBfgAJn8jiDy+InMleOzamMBpkIauQ9BFMBuneRNhbob2cBjZRJGWFySON+Dg==
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

2026-09-17T11:05:25.030410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048603
observed 0bdf72d092dc3afc3aee56dd65455124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.009356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048603/manifest.json
observed 499c9b6bbb591abcd6ba47d7f896463b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.991392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048603/publication.md
observed 9a48aa1718a17bdcc34136e49fcae58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.973208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048603/publication.txt
observed d6f9a6d17f4a456de06fd84d3c05f4ee...
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.