OpenTechnical

OT-2026-000016945

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000016945) never changes.

Identity and time

Publication numberOT-2026-000016945 · never reused
Internal UUID01a0ae6e-591a-7664-8b86-6d58b99a07cb · 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-2026-000016945
StatusPUBLIC

Content hashes

Canonical text76ca88bc2c693c997b87d7aa0bcef23ef6a0c5390bd15443fbe23163c8b69807
Markdowncef4700faeb4e3d56ea492923f48c75c68a4a8b401b94519ad21c7338cc95d6f
PDF
Publication page9276e3ad991bc4c07fca9b23d37ef852848e5ae284aa4782fd45986da8235a6f
Manifest00e6ed4c49ba0579e8b00124d47c16a816533ee377258883a8c626ec93edf445

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
SignaturerRDup9DDQHTj1RUoL93NvHPLgOgoSxZedxk8M16Zs7ge4rvg8p/KIcwhncCvkG+MKtIkru8zO3hwan+X4gmhBQ==
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

2026-09-17T12:03:13.837716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016945
observed 9276e3ad991bc4c07fca9b23d37ef852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.821518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016945/manifest.json
observed 00e6ed4c49ba0579e8b00124d47c16a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.792313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016945/publication.md
observed cef4700faeb4e3d56ea492923f48c75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.760632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016945/publication.txt
observed 76ca88bc2c693c997b87d7aa0bcef23e...
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.