OpenTechnical

OT-2026-000050076

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050076) never changes.

Identity and time

Publication numberOT-2026-000050076 · never reused
Internal UUID01a0ae81-fd78-73ed-b6af-a87fbc6db975 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050076
StatusPUBLIC

Content hashes

Canonical textc6b1b90d05013f9306ce1b826b3c6ed3b278dfac4528577fa856b4215d7ca358
Markdown21317c0f68032821e55cbf4174ad9b8fb95e5f853f82221275016a33a3020cf2
PDF
Publication page6dcd32438815ae695ff5bed64613837d6ed8109fc91e5a087aa2bc43cb5c1bab
Manifeste77d50a9f8cb01e9cd09d0c8474a328b10e72493364bf5b0810c6685da5cacd0

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
SignatureGvYqQDfDnd5HUSUXG7j8ygA5tTvLop21N5QZa+E78/KTWPXqKHRh9yvkNg8mAs4Y8DmP3AYi5G1mny0WI3n5AA==
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

2026-09-17T11:02:03.890982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050076
observed 6dcd32438815ae695ff5bed64613837d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.872874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050076/manifest.json
observed e77d50a9f8cb01e9cd09d0c8474a328b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.855193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050076/publication.md
observed 21317c0f68032821e55cbf4174ad9b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.834722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050076/publication.txt
observed c6b1b90d05013f9306ce1b826b3c6ed3...
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.