OpenTechnical

OT-2026-000039548

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000039548) never changes.

Identity and time

Publication numberOT-2026-000039548 · never reused
Internal UUID01a0ae78-d8d3-7a1e-b57d-be6c5d290b97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039548
StatusPUBLIC

Content hashes

Canonical textcb6746dd19ff5f1ca8a8185a3dbc8c4337ec1674964ddce0c5580ba72709e57d
Markdown3422bc833ee9394f4e8ea44a43cd41e021524e1b9ad7ea55b8e8cff270e2374b
PDF
Publication page95e3335574aadd6d1167a1ec14b8e6b511f80b7cf21d683d6d495831c72fb279
Manifest976ad45c65391581d0d9598719f8069ddffec2a31fa14f61d81a144993a00a2b

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
SignaturemGZ+GtEmVGeRyETGPqvMp1iq6BUho0DjrCU9Sl54p1UQ1t6NtIwyxBXsBrdGKDfHTpo2EDulq9nk3BreA0HKDQ==
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

2026-09-17T11:19:42.113675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039548
observed 95e3335574aadd6d1167a1ec14b8e6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.095756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039548/manifest.json
observed 976ad45c65391581d0d9598719f8069d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.076066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039548/publication.md
observed 3422bc833ee9394f4e8ea44a43cd41e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.055796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039548/publication.txt
observed cb6746dd19ff5f1ca8a8185a3dbc8c43...
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.