OpenTechnical

OT-2026-000029461

Publication integrity record

Two cup vacuum gripper, two 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-2026-000029461) never changes.

Identity and time

Publication numberOT-2026-000029461 · never reused
Internal UUID01a0ae73-5e21-7212-8859-ab21112f0aac · 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-2026-000029461
StatusPUBLIC

Content hashes

Canonical text3a8fca5930e593ae77ef47c8bb7fdb7513c548ed9d4e9d38896eb49371810f25
Markdown06ec3c8e86e1832f8d5ceee80dc54ad41be852f81d8fa2675bb94c22e532376a
PDF
Publication page6d2ba84854711bf833592c7345872e5eb5fdb9f346ec8102f2cf630499923d89
Manifestc548d124e3b20202279bf2988639c4f144aca0a64e298604de25fdbe03d66c49

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
SignaturepPP4pkHRk072JXyCKbuRhtdO2I9V91kqFqlpVw9pDGd6s5BhidQd0M5HVyQGkjkRlvbW8pm4TwSGiFkIfqFWCA==
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

2026-09-17T11:39:04.971246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029461
observed 6d2ba84854711bf833592c7345872e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.954562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029461/manifest.json
observed c548d124e3b20202279bf2988639c4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.937955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029461/publication.md
observed 06ec3c8e86e1832f8d5ceee80dc54ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.919883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029461/publication.txt
observed 3a8fca5930e593ae77ef47c8bb7fdb75...
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.