OpenTechnical

OT-2026-000029339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000029339) never changes.

Identity and time

Publication numberOT-2026-000029339 · never reused
Internal UUID01a0ae73-5e20-71c8-a807-58733edd2703 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029339
StatusPUBLIC

Content hashes

Canonical textfcb7b2237b46ec73659660a973f039176eefa1825bf5f9bca9a53677f0a06249
Markdowne2ca6e4f85bb780aaa1caf2baaf596a455e867fa30abb9cfbf7e2104a54c108b
PDF
Publication page0fcf5bbdb3d56e880abc8f7344f62c0451d952b06e12b51f5a074b7252c86bf2
Manifest4fef4d2dfbbe4ca595d7cbc44c81127126d8edbf0afd3ccb119a215dbcf09951

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
SignatureNCQ/Tz7KdnulIrQ3NNg3xrz4K0Rt8mdK+0a+tRqCOpwfUk8/n0D9c7sT+nfA2nnB79vAstUCw7ue+8r1vNS3Bg==
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

2026-09-17T11:38:53.332288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029339
observed 0fcf5bbdb3d56e880abc8f7344f62c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.314808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029339/manifest.json
observed 4fef4d2dfbbe4ca595d7cbc44c811271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.296391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029339/publication.md
observed e2ca6e4f85bb780aaa1caf2baaf596a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.277779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029339/publication.txt
observed fcb7b2237b46ec73659660a973f03917...
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.