OpenTechnical

OT-2026-000022378

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022378) never changes.

Identity and time

Publication numberOT-2026-000022378 · never reused
Internal UUID01a0ae6f-f4fd-7818-bc3f-c92a18d8e9ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022378
StatusPUBLIC

Content hashes

Canonical text63bd68cc95022be946bbef72483db039354682962a4951c92976fa2b0f928ab2
Markdown9eea229b4a797858567a10374da460b64747789ab17ae1a2ee9ee6e7c4c5d422
PDF
Publication pagefbcd65e2ae886fed1ae71181a4439b14ec775f30a3c5601bddeb2d27bc556256
Manifestf83f122808744d90ea732fafe88293f9f590649d5ecca5223da996e5b5f2b7d8

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
Signaturewr0P0yMW1/ldCQ0QVAKF7z33t6WWkakV8VaBTWmtslaMmF90RGh3BUov9MdQWTf5dh7u0sxDWXPysVbTVIUrDg==
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

2026-09-17T11:53:44.996605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022378
observed fbcd65e2ae886fed1ae71181a4439b14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.977743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022378/manifest.json
observed f83f122808744d90ea732fafe88293f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.959389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022378/publication.md
observed 9eea229b4a797858567a10374da460b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.941177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022378/publication.txt
observed 63bd68cc95022be946bbef72483db039...
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.