OpenTechnical

OT-2026-000039204

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000039204) never changes.

Identity and time

Publication numberOT-2026-000039204 · never reused
Internal UUID01a0ae78-9673-7240-b359-f790c9cc75e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039204
StatusPUBLIC

Content hashes

Canonical text4931f3e19aad31fc1578ce5a87bf98818d5c74782983f12cea2a23235118d9a7
Markdown88e8e9796989f2e4635216d3858760978f2c628bdd5f062ba0bf4d59263aa80c
PDF
Publication page535c6017a635fef96bb73a8532e4cc9b094f65d3bfb4465aad3e5ed797bd8c0d
Manifestef342f4ab9824afe90a36c08e1438fae053690260f10f872a0393341e04e6ea2

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
Signature03Lazrofqsz7cY1ktRz7N52RXd5mPfDkOEvPc+e7BzPFH6fvILFtBQf0ip6IPxQNQYLDvngygt9qO5Pl5khRDw==
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

2026-09-17T11:20:45.314101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039204
observed 535c6017a635fef96bb73a8532e4cc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.296893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039204/manifest.json
observed ef342f4ab9824afe90a36c08e1438fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.278592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039204/publication.md
observed 88e8e9796989f2e4635216d385876097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.262159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039204/publication.txt
observed 4931f3e19aad31fc1578ce5a87bf9881...
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.