OpenTechnical

OT-2026-000025048

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000025048) never changes.

Identity and time

Publication numberOT-2026-000025048 · never reused
Internal UUID01a0ae71-2728-7090-af1b-010509dfd1e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025048
StatusPUBLIC

Content hashes

Canonical text824d251742f5cfc407b9c2ce5e3b4fad3be63019a2ede7743cad23caf751469e
Markdownf0dfd65e874c2703f234fd922c4f2ee93f568ec86e821c484f08a38f352d6efd
PDF
Publication page821dc937dcd73580c4fe7f575970acd3440d8f49202d15cd7ba99463ac12b08d
Manifestcbdb9224ed8c53bf7c35011f43ba21293acac984cc05f8354f8be79df7d90725

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
Signature7qtE5fYn/GfSfv7tKmZ0u7gdBeWHjgb9/mnizxMblaY8OccedhQfbpeL+6zhEnJIcyg3pdRPcmboH0iK7hmtBw==
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

2026-09-17T11:48:27.347670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025048
observed 821dc937dcd73580c4fe7f575970acd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.327585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025048/manifest.json
observed cbdb9224ed8c53bf7c35011f43ba2129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.308568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025048/publication.md
observed f0dfd65e874c2703f234fd922c4f2ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.291179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025048/publication.txt
observed 824d251742f5cfc407b9c2ce5e3b4fad...
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.