OpenTechnical

OT-2026-000029702

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029702) never changes.

Identity and time

Publication numberOT-2026-000029702 · never reused
Internal UUID01a0ae73-5e23-7a78-8161-240cb8ed1b88 · 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-2026-000029702
StatusPUBLIC

Content hashes

Canonical textaa51b7bde19c13f37cb62ae844a1424261c376cd4859214b20316c13e7a883b0
Markdownd3704680a582d18ee7cac41320e257216f9a73a9ecb3521ef2cdf2d673f47010
PDF
Publication paged7f9b96dfd2516adad74b040251865fdd98054cb40bc1c6264ea2afb06339d2d
Manifestea43f0844a98088908b78060454d2a38bf2c277fd439450c3227c0e29e730b89

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
SignatureF/UfPTBPzJfTaTDadFW81PDOB1rFZPf3mxtTGaS26b/jFQZtf08rfXKjBd+/ODO7gPnYcL6gKjC69HAumBUjDg==
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

2026-09-17T11:39:25.839289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029702
observed d7f9b96dfd2516adad74b040251865fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.821334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029702/manifest.json
observed ea43f0844a98088908b78060454d2a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.802687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029702/publication.md
observed d3704680a582d18ee7cac41320e25721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.784951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029702/publication.txt
observed aa51b7bde19c13f37cb62ae844a14242...
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.