OpenTechnical

OT-2026-000019941

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000019941) never changes.

Identity and time

Publication numberOT-2026-000019941 · never reused
Internal UUID01a0ae6f-1fb7-7085-8ea0-8c8f45975f34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019941
StatusPUBLIC

Content hashes

Canonical text2deac785540f973a0ceda7ec09c155519ec826f174969ad76df83c1a68ffea46
Markdown09906a4759e1a26df6e95c49e99ec9ac1d71eab82b6e7b0e7af70c380e7ed2dc
PDF
Publication page7853d9eae8d1cfd782446b11cafa79e9b3a6ce6d8e4222c4759bec6fd8b5848e
Manifesteb9d53264a62bff35b56807bb1aa03f2225e0b6a1af672b49412d1be198b7d3a

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
SignatureykUTC9TT9q1uxkDElXsfuI/6a/rJq//8R3Al+jIyuUlD1rZoNFC+DwrAQpD/0IKtqwGyNf9GHRD2/k4e6NZdDQ==
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

2026-09-17T11:58:10.017691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019941
observed 7853d9eae8d1cfd782446b11cafa79e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.999853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019941/manifest.json
observed eb9d53264a62bff35b56807bb1aa03f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.981342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019941/publication.md
observed 09906a4759e1a26df6e95c49e99ec9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.963730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019941/publication.txt
observed 2deac785540f973a0ceda7ec09c15551...
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.