OpenTechnical

OT-2026-000022675

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000022675) never changes.

Identity and time

Publication numberOT-2026-000022675 · never reused
Internal UUID01a0ae70-46e9-7d4e-bd6e-05a000ff6063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022675
StatusPUBLIC

Content hashes

Canonical text6284bf3e62df92b518294c8b7b8414fe8076fd4d234d3e8daf1c3c69883dfac9
Markdown7b80b6a7b27544fad564cf1e7be07132f2383a10767b737358ab6dbd7aa9864e
PDF
Publication page1433af5deb6892575722de9f2d3e54f1b83ae49265091f15cab0a2a19497c206
Manifest9ab3a11982217361eea4ecf0af84b9a6a5f868aa5c896272e2109a2ec8ed9f50

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
SignaturedVVmxOhDyMIS8b4vfzk2CQGC2tIGlGVS3V++0AXSshiLyCGzATCRlBvqo2smrXUc3CLUaceQSDHD5RxxZRwqBA==
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

2026-09-17T11:52:03.687264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022675
observed 1433af5deb6892575722de9f2d3e54f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.669629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022675/manifest.json
observed 9ab3a11982217361eea4ecf0af84b9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.651904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022675/publication.md
observed 7b80b6a7b27544fad564cf1e7be07132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.634900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022675/publication.txt
observed 6284bf3e62df92b518294c8b7b8414fe...
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.