OpenTechnical

OT-2026-000025953

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025953) never changes.

Identity and time

Publication numberOT-2026-000025953 · never reused
Internal UUID01a0ae71-a83f-78e3-a785-9550144837e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025953
StatusPUBLIC

Content hashes

Canonical texte588558fabcc190734331d590057d4204a7d496758c057e171953458373c690d
Markdowne902fc38193b677bf7d89c24ecb394e28fe9b36a3f1064a48e4f8842722ae338
PDF
Publication pagef472a3599ee152b8013985125dff97b3a85ba200624589a9c1315fe300169347
Manifest7872a91a48017f5d12a1cc43074722601adcb2ef531a2c809c9bbe80692e442a

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
Signature6ZsqD09MuVfcF40fvi5emqr9sy0vQ1PRsiI+rTgyyxjYydFV1+crwveEq/ltfI1cqaz0hEeB0CH5+bA38Y9NDg==
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

2026-09-17T11:46:19.309992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025953
observed f472a3599ee152b8013985125dff97b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.292722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025953/manifest.json
observed 7872a91a48017f5d12a1cc4307472260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.275443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025953/publication.md
observed e902fc38193b677bf7d89c24ecb394e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.256024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025953/publication.txt
observed e588558fabcc190734331d590057d420...
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.