OpenTechnical

OT-2026-000041341

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000041341) never changes.

Identity and time

Publication numberOT-2026-000041341 · never reused
Internal UUID01a0ae79-b144-7654-ad03-3e1761aac8b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041341
StatusPUBLIC

Content hashes

Canonical text2db01f98080c0f01ea0bf084ac6474942d67f7f5830740563076ea354af5026c
Markdown42bf80086e4e91693317df5e115276a6a94d5c3c7ba6a2a32fb0bbd5289730b8
PDF
Publication pagec63c414e4c1aaae3635c9011804067d65672e1509d6cf6ae826bde474d177d14
Manifestda9ee06c1da7f0dc573523dfd37a9751def9cf450b13409bd5db556e18138e5d

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
SignatureE/z28gHik+MOXx9DmiRBejCz+Q5Szn6kj9dUw7x9Ji1l33gWLWn5aL7xr99Ekd7AAQF94Kbp9slre/RpqZGWDg==
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

2026-09-17T11:17:20.352714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041341
observed c63c414e4c1aaae3635c9011804067d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.335808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041341/manifest.json
observed da9ee06c1da7f0dc573523dfd37a9751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.317617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041341/publication.md
observed 42bf80086e4e91693317df5e115276a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.299049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041341/publication.txt
observed 2db01f98080c0f01ea0bf084ac647494...
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.