OpenTechnical

OT-2026-000034068

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000034068) never changes.

Identity and time

Publication numberOT-2026-000034068 · never reused
Internal UUID01a0ae75-df0c-7780-9237-6eb112bc37f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034068
StatusPUBLIC

Content hashes

Canonical text5d0e3bb04665e6ad2f305cd5108da8a57634f8de6996e4bb3486fa9deaca606e
Markdown95f122d5b0e5d07c63e42bc6689391ce6965b222ad3b16fd1d05f9267f4a2e8b
PDF
Publication page6370d2839e6ab8f3cef9584ccef0bbc1c9c74f2b77b4ff80749afd6b551773c3
Manifestac6dc12d9b8f3335da9a7716ca7ecc38243a42bb9db75b94f449735b6af2b055

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
SignatureU8RBlxa42NFxOu10XYzsHlbd1TSlwpztbFxH1+O614/ahzxcZS6LBgY9JuumBWk87u5ifUjzRQo893DLSkUGBw==
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

2026-09-17T11:30:18.872423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034068
observed 6370d2839e6ab8f3cef9584ccef0bbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.850545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034068/manifest.json
observed ac6dc12d9b8f3335da9a7716ca7ecc38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.830860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034068/publication.md
observed 95f122d5b0e5d07c63e42bc6689391ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.810054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034068/publication.txt
observed 5d0e3bb04665e6ad2f305cd5108da8a5...
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.