OpenTechnical

OT-2026-000027925

Publication integrity record

Four cup vacuum gripper, four 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-2026-000027925) never changes.

Identity and time

Publication numberOT-2026-000027925 · never reused
Internal UUID01a0ae72-a4a5-774e-a323-2a275a7b6a58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027925
StatusPUBLIC

Content hashes

Canonical text7946b09175410cc269416065033dc6f0266b3e571ca1f9996a35469c5fdecd14
Markdownffd9dbcf0722d003734e426b931b9fdd58d9731493bfa49674e5e5f0a77c285a
PDF
Publication page2f612c67300d977862d439b2d11369d67e811fc7e8ef297e666784fbcd2481b6
Manifest88fa6e778101b7a2d8352d75ec0bc671e506a727e270d61399989210f02c2596

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
SignaturezgNoKYHqpUPWfW0E+MOPLVeu8Bso0h/giZOskty7p4cBCfvrQPJe17hjM+zKaw6CxWPKJt0xUxzYlt0MwULCDw==
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

2026-09-17T11:42:06.233578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027925
observed 2f612c67300d977862d439b2d11369d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.214566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027925/manifest.json
observed 88fa6e778101b7a2d8352d75ec0bc671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.198960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027925/publication.md
observed ffd9dbcf0722d003734e426b931b9fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.183267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027925/publication.txt
observed 7946b09175410cc269416065033dc6f0...
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.