OpenTechnical

OT-2026-000042399

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000042399) never changes.

Identity and time

Publication numberOT-2026-000042399 · never reused
Internal UUID01a0ae7a-5d74-7373-9e96-e0d7364fa6f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042399
StatusPUBLIC

Content hashes

Canonical textc18d424411a44a339e00b6d8954bdb35695034e675b0f403ebedf049e1376af3
Markdown4006aaa6dba810af33193f22c499a83032a29a4c12362b931d023991323c35dd
PDF
Publication pageb65c0fb4cf9de7a47e8b0661f31a393a03aa77f289065cd65a18df0d8b367fa5
Manifest96d47e218e05fea423e764ac940791644dfa4f08cd446c54d6b9bcb4ccf395b5

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
SignatureHvP/kn64rtNqJf1oMtrHSLINNlYvwGAW+Xn60JHQUBwuLdgDlW0YEocexyy9qBGbIbmkkxSf8nUUOyyHFkk1BA==
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

2026-09-17T11:16:11.645009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042399
observed b65c0fb4cf9de7a47e8b0661f31a393a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.626901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042399/manifest.json
observed 96d47e218e05fea423e764ac94079164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.609528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042399/publication.md
observed 4006aaa6dba810af33193f22c499a830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.592810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042399/publication.txt
observed c18d424411a44a339e00b6d8954bdb35...
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.