OpenTechnical

OT-2026-000056091

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000056091) never changes.

Identity and time

Publication numberOT-2026-000056091 · never reused
Internal UUID01a0ae87-0a4b-7524-a16d-c822b7b7b9ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056091
StatusPUBLIC

Content hashes

Canonical texta6f0f36b22a2bdc06813e59410fc4a952c12b54ae3e62092e871f906cbffc481
Markdown107c0a673f9716d27d640358afe95b9bc484db23ef97b86d5df60c65031def29
PDF
Publication page676e7bca8e9b657027a8e4565f192f91d429499f5f40b50da59be8f1a130d9b0
Manifest71101bd311c40555e3dec762a01d2a1ffeece71c54aa6d7eb62abddcb9d8e2fd

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
SignaturePs3R/mMIl5LNRW6bzv06enK8wEgrmXKJ4nFeoOb8Q2h02IjEDS+8VdRdF8Y2QvoZclsxqKzASQKcELNsgvNtDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:37.761414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056091
observed 676e7bca8e9b657027a8e4565f192f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.741224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056091/manifest.json
observed 71101bd311c40555e3dec762a01d2a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.721568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056091/publication.md
observed 107c0a673f9716d27d640358afe95b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.703329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056091/publication.txt
observed a6f0f36b22a2bdc06813e59410fc4a95...
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.