OpenTechnical

OT-2026-000016791

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000016791) never changes.

Identity and time

Publication numberOT-2026-000016791 · never reused
Internal UUID01a0ae6e-5919-7f52-a748-b14a4ff66b37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016791
StatusPUBLIC

Content hashes

Canonical text5b21ba85241e85e05f5556c02758034b6b8bbd779a4e332dd6ee7512712a9388
Markdown05775f91a6d79fe2ee0f2eed6c4f1fe340e8f7a2380f05053f2502dea2323cb5
PDF
Publication pagee223f122f9eb5de2b4dd04f2bae80b82cf91d482c3e446fdcac5ecca048f0725
Manifest5737b4fb2a17d5f2969feb3adedda5ac827d497205fbf177fc43530384dfdedb

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
SignatureMvPwag2alrnFTXTSNWSzjK5c/5+YfYPFCL9iKMKEVPifOx6cijhkEUbLt4sI9Auo/+EJXFSckyb5h/eLsmDdBw==
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

2026-09-17T12:03:02.358020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016791
observed e223f122f9eb5de2b4dd04f2bae80b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.341070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016791/manifest.json
observed 5737b4fb2a17d5f2969feb3adedda5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.325344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016791/publication.md
observed 05775f91a6d79fe2ee0f2eed6c4f1fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.307863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016791/publication.txt
observed 5b21ba85241e85e05f5556c02758034b...
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.