OpenTechnical

OT-2026-000025992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000025992) never changes.

Identity and time

Publication numberOT-2026-000025992 · never reused
Internal UUID01a0ae71-a83f-7a55-b752-5b3b4fa041cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025992
StatusPUBLIC

Content hashes

Canonical text55481c7a403abfb019e23a83c665390f99f6c4c6bd055da81cba12b271323809
Markdown9b2dcc285b87e060b190618bb5304e0791112af008bdba3b1d115b344ee11d94
PDF
Publication page1a0fa18591a9071e32bac2809cc630b068609dfd77ab39ceaf567953887fc8e4
Manifestfb5bc3ec01e840ef2c1f43e54c8b3ec33295fa7bfd7643641f918cd880e3184e

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
Signature1Rctj7CDMYdibsYY8OZq9zvDA7CM5goM35z3ev9z45MahPhIFekiW+JHzdieuMGRWV9/W3Mvo8i5DsrOTc2+Aw==
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

2026-09-17T11:46:21.926930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025992
observed 1a0fa18591a9071e32bac2809cc630b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.909002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025992/manifest.json
observed fb5bc3ec01e840ef2c1f43e54c8b3ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.891884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025992/publication.md
observed 9b2dcc285b87e060b190618bb5304e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.871503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025992/publication.txt
observed 55481c7a403abfb019e23a83c665390f...
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.