OpenTechnical

OT-2026-000029734

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000029734) never changes.

Identity and time

Publication numberOT-2026-000029734 · never reused
Internal UUID01a0ae73-5e23-76b4-bb79-6976a901df5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029734
StatusPUBLIC

Content hashes

Canonical textcf617336f3d345477b8dd5632b14d80f71cd997d017829e18ca21aebe7498abe
Markdown1bad4b4d65e913e41d3369835d0a8386fa9707cbf8a2b11f97a6cf3e2577cc69
PDF
Publication page0bf2830261894e13619170b78dde6d4b53cb0d3bc9e271a97cee18cd476ef28f
Manifest472c3ae13dcefe410f569c23748010408731cc58aaa794a2deca1f3aeaf89500

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
SignatureoPlhUp6HPYAeRH2441Z/A4h4FSfDaYWwrWUMmWsJ75/zPOb0bhk0z9LLddDqjR7WCXcoYS8RltZ0PWMCYPsGAw==
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

2026-09-17T11:39:29.315725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029734
observed 0bf2830261894e13619170b78dde6d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.291432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029734/manifest.json
observed 472c3ae13dcefe410f569c2374801040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.272490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029734/publication.md
observed 1bad4b4d65e913e41d3369835d0a8386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.252764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029734/publication.txt
observed cf617336f3d345477b8dd5632b14d80f...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent