OpenTechnical

OT-2026-000020050

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000020050) never changes.

Identity and time

Publication numberOT-2026-000020050 · never reused
Internal UUID01a0ae6f-1fb8-7add-a582-93b66b96110d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020050
StatusPUBLIC

Content hashes

Canonical textc4654be0ea9c097800a6a4291d3ef96527f2bf8cde9cea2a82140534962db4cf
Markdown8c0395cde24afb906b211f9d19f582efe5234792093e5ae92006af6c30655624
PDF
Publication page02582a11d670ae437dc83926f864c0ea71408fba2d3d33e2c9b7ca6edd76b915
Manifest09d9e619229b5e68ffe06158cf2f6791601470fb50e5f2ec1d40878e8cfb8637

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
SignatureRL3vEU3gXYRY9v3Dj1nPhCo+ih4sHHYAtD0vCKNzGjfUw+eTiJAT5KByI711/VK5isRMW8mR2ckImZ4GvkvvCw==
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

2026-09-17T11:58:18.829492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020050
observed 02582a11d670ae437dc83926f864c0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.810840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020050/manifest.json
observed 09d9e619229b5e68ffe06158cf2f6791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.793365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020050/publication.md
observed 8c0395cde24afb906b211f9d19f582ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.773976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020050/publication.txt
observed c4654be0ea9c097800a6a4291d3ef965...
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.