OpenTechnical

OT-2026-000066905

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066905) never changes.

Identity and time

Publication numberOT-2026-000066905 · never reused
Internal UUID01a0ae8f-14fd-70e7-ab1b-34027434fe98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066905
StatusPUBLIC

Content hashes

Canonical text50ff15295b927977654b3df402fb680599472ad5029734cee9fa7ef7e9e98aa7
Markdown359d3018d94d805e8cd5d86020478c2cf81c8b068089545f34a1cddd7be80a5f
PDF
Publication paged907221f13dfdc5aa27a29f3afba6178a507f18ee60c3dcd6396c35e1e4406c7
Manifest510ee793b86f7be28cb6522e0d338c7be279a3a016fee4535abe793f51a78cb5

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
SignatureloJ4xGWffYlYx5aLuUIIAviHllIqymeUoOHvgTRBXW24SdG8WOvZfDi+6616YV9wxfCZSrweOYPvF3AhiTd7Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:06.588568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066905
observed d907221f13dfdc5aa27a29f3afba6178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.570559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066905/manifest.json
observed 510ee793b86f7be28cb6522e0d338c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.553394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066905/publication.md
observed 359d3018d94d805e8cd5d86020478c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.534789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066905/publication.txt
observed 50ff15295b927977654b3df402fb6805...
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.