OpenTechnical

OT-2026-000015381

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000015381) never changes.

Identity and time

Publication numberOT-2026-000015381 · never reused
Internal UUID01a0ae6d-ef49-7711-bf2e-a70fbad2e0d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015381
StatusPUBLIC

Content hashes

Canonical texte4f139f3652fdbd8217e63ce5d3f3dff337fe8301afa719fb8640f724d2a18e5
Markdown891d998f09bb3723e0ad358396fe74333e4072777064191428ca374a85d2e65f
PDF
Publication page99fef7e5e49ffbc4703cd53b9a354af26223d04137a9d28659e10ca44e0bb3f5
Manifest110f002243164001e135150196869e5e053d3dba38c9a52d4f7a5c8430ddb08f

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
SignatureaRMy+OW7Pbhpm41WxCeVyavDJ1MTntXHIt2tzwFyMXYz/oNMTIO3qSWSa+Xy6nd2kY1mdqnhbjz/jSo2EQTJBQ==
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

2026-09-17T12:06:05.900315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015381
observed 99fef7e5e49ffbc4703cd53b9a354af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.882513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015381/manifest.json
observed 110f002243164001e135150196869e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.863024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015381/publication.md
observed 891d998f09bb3723e0ad358396fe7433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.843634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015381/publication.txt
observed e4f139f3652fdbd8217e63ce5d3f3dff...
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.