OpenTechnical

OT-2026-000016632

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000016632) never changes.

Identity and time

Publication numberOT-2026-000016632 · never reused
Internal UUID01a0ae6e-5918-786c-b8b4-7b90a9af4b10 · 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-2026-000016632
StatusPUBLIC

Content hashes

Canonical text1d30728f0e1802afc1cdc559d0374c1c7cba4bd76ba532cc88e8ba6115a0ba66
Markdownedecd5a53e613180cccdf01c50d627716fde474ab9fa364136e4bf91d96ed46a
PDF
Publication page4044e32fb8a9335d3ae23b7b049d9ce0ba904f48c4cd34984161d8ea409a915d
Manifest99e4c926682de8ec03f11e4abfae619791b6c38f0dee65421b2d6a211aefc2a3

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
Signature8eIvbXDa7mtEKIwUH8gWPvI+5+tYSgomspeO7itEeUxRy7SxClMdw2DcUbTZwq3ys7HLmiprnLJQUmM8basOAg==
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

2026-09-17T12:02:49.407064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016632
observed 4044e32fb8a9335d3ae23b7b049d9ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.387383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016632/manifest.json
observed 99e4c926682de8ec03f11e4abfae6197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.370641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016632/publication.md
observed edecd5a53e613180cccdf01c50d62771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.354008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016632/publication.txt
observed 1d30728f0e1802afc1cdc559d0374c1c...
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.