OpenTechnical

OT-2026-000003962

Publication integrity record

Bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure verified

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-2026-000003962) never changes.

Identity and time

Publication numberOT-2026-000003962 · never reused
Internal UUID01a0a90b-9915-721a-be65-da062d9d5ded · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:24.728065Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003962
StatusPUBLIC

Content hashes

Canonical textaf43a6e61467edbacf7c29f9d6de3ec70213889548a430ae0e3d026204727944
Markdown0979cc54e45b3c91d3996ab6f44682e477409197884cb8f02b4a952bac88b9ec
PDF
Publication page3afc54307f7d67bc3b22486a511a646977986e2fb759fab0c7180fb9724cb435
Manifest9e315a5615032a344abb64b255a4e0e70a81c54b6767997ac67f297334aad27e

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
SignatureuVIV14tMO6J22IkWKxBPEEMq3BrYmcbnesPfW8++QOrBwhtO2iMnJCQ7eXqvCWwnG2PpN1PjutWKMdNiWrQfBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:09.624067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003962
observed 3afc54307f7d67bc3b22486a511a6469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.609276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003962/manifest.json
observed 9e315a5615032a344abb64b255a4e0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.595268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003962/publication.md
observed 0979cc54e45b3c91d3996ab6f44682e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.580424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003962/publication.txt
observed af43a6e61467edbacf7c29f9d6de3ec7...
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.