OpenTechnical

OT-2026-000014371

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000014371) never changes.

Identity and time

Publication numberOT-2026-000014371 · never reused
Internal UUID01a0ae6d-b27a-700a-adf3-443ae1eed984 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014371
StatusPUBLIC

Content hashes

Canonical text9ef9ea40cea55dff2fbc24f3c850c80324f796aadaa954941bd6bb7539eb1890
Markdown0906832d976eed2797567bea09ae1139831da34fec2a4b489107b861efc26c4b
PDF
Publication page60457afe822afadf6e76a5c1f5cac971f9be7ee9d42d0ab20e1192e2eb7a7a8f
Manifestd423c61f2f334eff13e2c2a6568923047ef036b25dcffbba40320f191c489135

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
SignatureuUf0phcduqrLM90MZ7K9JLioUxOnZPniTuMszF5ntltF7Ks4LcL1d+VaEziSAhhuVzzYPSJDDo9s6kS4SZWuBw==
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

2026-09-17T12:10:07.105096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014371
observed 60457afe822afadf6e76a5c1f5cac971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.088845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014371/manifest.json
observed d423c61f2f334eff13e2c2a656892304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.070587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014371/publication.md
observed 0906832d976eed2797567bea09ae1139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.049623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014371/publication.txt
observed 9ef9ea40cea55dff2fbc24f3c850c803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.213621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014371
observed 60457afe822afadf6e76a5c1f5cac971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.194289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014371/manifest.json
observed d423c61f2f334eff13e2c2a656892304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.153098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014371/publication.md
observed 0906832d976eed2797567bea09ae1139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.135485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014371/publication.txt
observed 9ef9ea40cea55dff2fbc24f3c850c803...
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.