OpenTechnical

OT-2026-000086941

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000086941) never changes.

Identity and time

Publication numberOT-2026-000086941 · never reused
Internal UUID01a0ae9a-80a5-736a-a999-0384d66e4278 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086941
StatusPUBLIC

Content hashes

Canonical texte1742f3aceb61fd0ccbfbbe9995b42560b2c604f886e7f99ecf085e7f47c2880
Markdown954603f364f66ce0070db3661f633b8ed79da1d724d5701ca4044ce8a49a27c2
PDF
Publication page5712e412f50293112c7934cca3887b75fe4568196d7211135ae9d989d3e0195f
Manifest444d516b4e4a7138e807443545045f257996df15c94f0ca6d9d4dacb312bb7f1

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
SignatureRa9o2QwgFTyCC/n/SZ+fvw/Sx9nadjtD27oQTISLK9ee8uKqQXUyYXB7ODDoDvgtbb+Im4Zvj/MilyiMpy0NCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:49.991196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086941
observed 5712e412f50293112c7934cca3887b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.971735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086941/manifest.json
observed 444d516b4e4a7138e807443545045f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.947561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086941/publication.md
observed 954603f364f66ce0070db3661f633b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.928445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086941/publication.txt
observed e1742f3aceb61fd0ccbfbbe9995b4256...
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.