OpenTechnical

OT-2026-000030860

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000030860) never changes.

Identity and time

Publication numberOT-2026-000030860 · never reused
Internal UUID01a0ae74-3fb5-7326-86c1-e965be387a41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030860
StatusPUBLIC

Content hashes

Canonical text7869a700603c9762644d2a880d3f13350d808525c4d0f743dc43d2f1c4986900
Markdown6939606962f0a469f96ef985cc7a4d10502a49b2f987609bfe3476166c0303d9
PDF
Publication page5c47c6d592f302649fe4fd22639ee841a428f0792f5a4988b31170a11077fd1d
Manifeste5407ea795855efe3b45c6644df81c9196e053f2761bd629038158bff638e41b

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
SignaturefUHhZE2krM7+6x4c47eIVXgrMCSvvM2d+SlWx/fvPdBOLmTUVbzInd94UF9VMqWnOVZ3CJd1bA4JHLWKkbPNBA==
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

2026-09-17T11:36:50.400860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030860
observed 5c47c6d592f302649fe4fd22639ee841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.378421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030860/manifest.json
observed e5407ea795855efe3b45c6644df81c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.360174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030860/publication.md
observed 6939606962f0a469f96ef985cc7a4d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.341242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030860/publication.txt
observed 7869a700603c9762644d2a880d3f1335...
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.