OpenTechnical

OT-2026-000013340

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013340) never changes.

Identity and time

Publication numberOT-2026-000013340 · never reused
Internal UUID01a0ae6d-6fc9-726c-bd29-8c5477fc51ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013340
StatusPUBLIC

Content hashes

Canonical text0147140daa9e5d227fc4454c750928cb2d4d715ea101120317e8b5d6533e1db0
Markdown5a42a41c5a7ac8c21422d895b4851a450699805b51fe3d7f27801a3b4c332526
PDF
Publication page9c10726d592f77a733fea8ce1f0d149ac3cf6ea7a6328fe9d42023711569038c
Manifest4abd785f7e6a8f4ce91d8258d630d9b3fe086211cd6f2ffac874bae19a2e242d

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
Signatureb1fQ9ZSx2wnuJK/4jV2svppmyNTNKy6QiYhme1vIFiZ4pSyZsATc5BWG6ZTtHOQQwoTvWaTnV/iDQNPqBjmWCA==
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

2026-09-17T12:09:47.020361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013340
observed 9c10726d592f77a733fea8ce1f0d149a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.996481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013340/manifest.json
observed 4abd785f7e6a8f4ce91d8258d630d9b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.976998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013340/publication.md
observed 5a42a41c5a7ac8c21422d895b4851a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.958147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013340/publication.txt
observed 0147140daa9e5d227fc4454c750928cb...
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.