OpenTechnical

OT-2026-000029698

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000029698) never changes.

Identity and time

Publication numberOT-2026-000029698 · never reused
Internal UUID01a0ae73-5e23-7849-abeb-256017dd45c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029698
StatusPUBLIC

Content hashes

Canonical text202164e88487afa8c2fcfe2778e727244167514eb6872ece8b79612925e41b83
Markdown4bc707d6264b15ddd1513158d69bb252662d172f5f46a1655a539a516b22b638
PDF
Publication page2b9391cda9f517fc281be16adf4cf18976c426f3aeec904f8cb0e62fce37fbd1
Manifestb2ddb4ba841ff0f0905b8d105b10c2df72e598e6803e43f2a1af65e21de72d2c

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
Signaturerv6BmX0hWOjDzXCEkG6xrgDpSanIkF615EW7A22x/l18NCl8FQuh4+mDogKF7FLqaWzR4n1iUdqZVkiE126nCg==
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

2026-09-17T11:39:25.603040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029698
observed 2b9391cda9f517fc281be16adf4cf189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.583192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029698/manifest.json
observed b2ddb4ba841ff0f0905b8d105b10c2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.566254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029698/publication.md
observed 4bc707d6264b15ddd1513158d69bb252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.548567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029698/publication.txt
observed 202164e88487afa8c2fcfe2778e72724...
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.