OpenTechnical

OT-2026-000039228

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000039228) never changes.

Identity and time

Publication numberOT-2026-000039228 · never reused
Internal UUID01a0ae78-9673-7ff4-addf-71780b6c6ef9 · 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-2026-000039228
StatusPUBLIC

Content hashes

Canonical texte5e86c6dbad47debea563b125aeea3c14f4b29bd74d247b7e0f3d2aa4913f419
Markdown3d7cdae35fee536f0f5d1a40cee6c512ba53a6f959a3ed5fb856f17ed3950ad2
PDF
Publication page27dbee7983debb057877d2098c51536a5589201a97d2453323b62171fbc72483
Manifeste1057ff9fc6074c532f66f1c5e7c700173bd396aa8419879a4ba9f95066be9b5

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
SignatureGvyrsvx1Yyn1qCzt4F1YI4wSZ9v+RYD3okFZswDpKn/1NVEtcLKRTWWlyC/c7eLXerYwK6AYYeykLviYm0cIDg==
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

2026-09-17T11:20:46.857516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039228
observed 27dbee7983debb057877d2098c51536a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.840123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039228/manifest.json
observed e1057ff9fc6074c532f66f1c5e7c7001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.822482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039228/publication.md
observed 3d7cdae35fee536f0f5d1a40cee6c512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.804936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039228/publication.txt
observed e5e86c6dbad47debea563b125aeea3c1...
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.