OpenTechnical

OT-2026-000018389

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000018389) never changes.

Identity and time

Publication numberOT-2026-000018389 · never reused
Internal UUID01a0ae6e-b489-76eb-9c38-ce29b767a8ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018389
StatusPUBLIC

Content hashes

Canonical text36bc00deef8306fe9c6a0fff20cadd242bf21079c57fcc5d99f8a5b110d929b7
Markdownbc476ed070f821a59d38e46195b438d987d426049da758d28c983ab2cdf3470c
PDF
Publication page966f75071ca56262d9a63b4e4714e88d4185018bd1859cc862111f0602c9080e
Manifest2f52a1fdb5424458bbc59f455ab1cec250f60bed9373dcc2be1f9cf5eb7bfbb2

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
SignatureBQzxQ32OZw2B6dOT9C3IFIh0gTrOJGz/3H/BlqNnY6OlngwFXoy1ik2TppTLDPQbnoiMSwfyYTZVpQ0BBsXtDQ==
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

2026-09-17T12:00:01.408714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018389
observed 966f75071ca56262d9a63b4e4714e88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:01.383811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018389/manifest.json
observed 2f52a1fdb5424458bbc59f455ab1cec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:01.360449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018389/publication.md
observed bc476ed070f821a59d38e46195b438d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:01.337351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018389/publication.txt
observed 36bc00deef8306fe9c6a0fff20cadd24...
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.