OpenTechnical

OT-2026-000013962

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000013962) never changes.

Identity and time

Publication numberOT-2026-000013962 · never reused
Internal UUID01a0ae6d-8dea-747d-b179-c54c678cd990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013962
StatusPUBLIC

Content hashes

Canonical text3849e691a44ba2a9b1c19fb5f2630b97bb59199210e7c60755c1986c1da591cf
Markdownff86c3732bd97b9c6abf286b542b7d79c4d6b404fdc1d27bceba35fc68444cf7
PDF
Publication page5627b6e24d66d72345ec6d33b10a2e9657cb518506c5ca9d538ca66c2fb87e26
Manifest8124eaa9ccb484e3efd70d9c5ee9b901143fb4456ef12104ca66fc38b9a7050a

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
SignatureQCE9uHehdW4G4IdxSezDpd07NuKZt3L1N1ktdt6++AEt4gPOm8+a/fzSCZTcpU6mnB+wKkwJaXCGMaYhhFg4DA==
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

2026-09-17T12:09:10.126640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013962
observed 5627b6e24d66d72345ec6d33b10a2e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:10.107662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013962/manifest.json
observed 8124eaa9ccb484e3efd70d9c5ee9b901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:10.089602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013962/publication.md
observed ff86c3732bd97b9c6abf286b542b7d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:10.068772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013962/publication.txt
observed 3849e691a44ba2a9b1c19fb5f2630b97...
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.