OpenTechnical

OT-2026-000015723

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000015723) never changes.

Identity and time

Publication numberOT-2026-000015723 · never reused
Internal UUID01a0ae6e-0c4b-7c31-8cb6-5c13d6b9edc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015723
StatusPUBLIC

Content hashes

Canonical textfd574da60b7831ef220c6a1dedbc303e7d3d8107a71dcbc049623dc0eb403ae8
Markdown52e68687d54bc86839fdeaf6da6489ccfdc531dbe3ced57036dad58e597326eb
PDF
Publication page06ad883afe7a1009717e962f691bb79b699c2e7fad47934342f5302385cfb6a5
Manifestc91ad99c9290ed2789b71ff0cbe19dfeaccdeb6c42c509c5ad0780123e431dc9

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
SignatureJVEa2kSp5y9OhMdNVqqr6oR4yhaD8Zbnz961mAzGzGz46Gtv0wYJ5W35OL/SclMpyveY7kg0//ZTf+EPpQIPCg==
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

2026-09-17T12:05:00.453931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015723
observed 06ad883afe7a1009717e962f691bb79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.435963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015723/manifest.json
observed c91ad99c9290ed2789b71ff0cbe19dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.418119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015723/publication.md
observed 52e68687d54bc86839fdeaf6da6489cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.398432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015723/publication.txt
observed fd574da60b7831ef220c6a1dedbc303e...
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.