OpenTechnical

OT-2026-000019790

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000019790) never changes.

Identity and time

Publication numberOT-2026-000019790 · never reused
Internal UUID01a0ae6f-1fb5-7162-bf15-b25f11ecda00 · 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-2026-000019790
StatusPUBLIC

Content hashes

Canonical textc5e74b7e3782024a586151cfdb373edd287ceb4f138c11a808293a4c433cbd71
Markdownaa8704618db9c94ae8c6442b626433ba4e1f4ff1f533fe237d61c3182a978f99
PDF
Publication page5f55c9ce0bc261a86b22f23e0b90ab92359bf788d06237956675c415a27bee4a
Manifest61cd2ef7de42aa556514223d06722e1645152aa05629329cdd28c802e10aa7c0

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
Signature6Mgj6Bbda/9eipvHY6HkxpwBlv8NT4fes1aSXy6IJcGE9MvjFgG1Jvbb6fGh0c69UU6Fw6kALa/Jn38aaaRRAQ==
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

2026-09-17T11:57:58.234055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019790
observed 5f55c9ce0bc261a86b22f23e0b90ab92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.215258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019790/manifest.json
observed 61cd2ef7de42aa556514223d06722e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.195055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019790/publication.md
observed aa8704618db9c94ae8c6442b626433ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.176123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019790/publication.txt
observed c5e74b7e3782024a586151cfdb373edd...
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.