OpenTechnical

OT-2026-000020294

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000020294) never changes.

Identity and time

Publication numberOT-2026-000020294 · never reused
Internal UUID01a0ae6f-437a-7c11-8be1-ce4146cb91b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020294
StatusPUBLIC

Content hashes

Canonical texteb6d9603cb1784c5e5e453932cf1fd7df6c1290a1dd7640c25929d6d5f16a191
Markdown2b3657fc3497219a60f5597af86e8f85338a411b0500f5809ed10dcbc6cfe3fd
PDF
Publication pagec90ca939dfe3348b31abe56883b2ed3924f4f35c7f8a65a3a4e7f03617b2a23a
Manifest374c0865b86b2a7b37ff0ca60eb4f7a189f2c780ef222fea27e309a158156a92

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
SignatureLo2pss1RKAtnm3G1MfSQYWFyvcaDBE32DOw/3DC+7egAPrkSSoG668jPLiBFz6gJfob1X8EagsgPCloCpN6qDg==
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

2026-09-17T11:56:39.421851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020294
observed c90ca939dfe3348b31abe56883b2ed39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:39.403144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020294/manifest.json
observed 374c0865b86b2a7b37ff0ca60eb4f7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:39.384999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020294/publication.md
observed 2b3657fc3497219a60f5597af86e8f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:39.363870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020294/publication.txt
observed eb6d9603cb1784c5e5e453932cf1fd7d...
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.