OpenTechnical

OT-2026-000061925

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000061925) never changes.

Identity and time

Publication numberOT-2026-000061925 · never reused
Internal UUID01a0ae8b-b8ad-7f55-b528-c275aacb3506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061925
StatusPUBLIC

Content hashes

Canonical textbdad0c8c005b74b7b93ad9bdb8e8b0e5942f6b15eb7360c05c629805e9f2b7fc
Markdown7c7bb9793aab528c45c2f189ad313ff6f96a894195b54e3d5e3bf2913c177d37
PDF
Publication page5140dd267b0c487f677321ac02ea6feb91a9a350b06f9bac9de829894b5268c2
Manifest67df833b6ed4d8c7c4ff687fd9947090efd251c2ae6bfa924ec53bc79735bde5

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
Signatureh1cz4GIW3733rX5PW7TtPN4tZKjedSwQHyFAka4C2pvtPwoKx/IEPuOTuBE+gQ5B7DYmZ17K247ZX/43uF6RCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:48.695597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061925
observed 5140dd267b0c487f677321ac02ea6feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.675996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061925/manifest.json
observed 67df833b6ed4d8c7c4ff687fd9947090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.655029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061925/publication.md
observed 7c7bb9793aab528c45c2f189ad313ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.612137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061925/publication.txt
observed bdad0c8c005b74b7b93ad9bdb8e8b0e5...
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.