OpenTechnical

OT-2026-000025534

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025534) never changes.

Identity and time

Publication numberOT-2026-000025534 · never reused
Internal UUID01a0ae71-5fa8-79d4-9367-fe9934694ea8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025534
StatusPUBLIC

Content hashes

Canonical text23ee2af50a90c4fa64ae619b01c2a8ff22c816d34f8c639526234667337881fe
Markdownf7cba3db48ae0feebda4177b1ebae5e34763d93e4a90cde5b009a557cba20d3a
PDF
Publication page2605517e7a061ee9e5d9c67dcf17cfc7bd6ea942bb10c97ca586cf39f79f2b98
Manifestab468671abd57a463d398dd266bcddfacbf211b648422fbcd7f848c9e2bf1ab6

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
SignatureHeAu1J8lb8Ii8ZjLYF2nITf0Uo01MH0YpvRdE9X4ohaq3nZqqJOdyy1rHpQpAFee1QDxsQjJ52aP/oHkMgEdDQ==
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

2026-09-17T11:47:40.771062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025534
observed 2605517e7a061ee9e5d9c67dcf17cfc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.753847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025534/manifest.json
observed ab468671abd57a463d398dd266bcddfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.736437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025534/publication.md
observed f7cba3db48ae0feebda4177b1ebae5e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.719337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025534/publication.txt
observed 23ee2af50a90c4fa64ae619b01c2a8ff...
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.