OpenTechnical

OT-2026-000039746

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039746) never changes.

Identity and time

Publication numberOT-2026-000039746 · never reused
Internal UUID01a0ae78-d8d5-7de8-a997-a8c0ad14bb5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039746
StatusPUBLIC

Content hashes

Canonical text358a4e6b6cb16033c2469a8f1e7b163802155214eec647af09fef2e13496a7e4
Markdownea8fe14cfd71864d076b187a8b3c628f2acf801da637d279c60cd267a9db33f9
PDF
Publication pageddb2f979e8d31a6e6876e54110e44cd3b3440abb9d93e58b22b662c0df7f326d
Manifestdb6fef5ecba8fda253c8116acb0868fc3a9bd50ff21cdc83123e8e5d868e6a90

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
SignatureY44XtnWvzc2mbDOR/I7aUxOya/GMP+utqi/rtA3ThEQERoCVD/J7b9Jbw52m7jHnshyjiGfRs+fjFQVSKiCMAg==
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

2026-09-17T12:41:36.648746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039746
observed ddb2f979e8d31a6e6876e54110e44cd3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:36.381627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039746/manifest.json
observed db6fef5ecba8fda253c8116acb0868fc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:36.158365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039746/publication.md
observed ea8fe14cfd71864d076b187a8b3c628f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:35.999575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039746/publication.txt
observed 358a4e6b6cb16033c2469a8f1e7b1638...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.618589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039746
observed ddb2f979e8d31a6e6876e54110e44cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.598144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039746/manifest.json
observed db6fef5ecba8fda253c8116acb0868fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.579919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039746/publication.md
observed ea8fe14cfd71864d076b187a8b3c628f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.561709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039746/publication.txt
observed 358a4e6b6cb16033c2469a8f1e7b1638...
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.