OpenTechnical

OT-2026-000022612

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000022612) never changes.

Identity and time

Publication numberOT-2026-000022612 · never reused
Internal UUID01a0ae70-46e8-7e9e-a7a6-a5588134bdc6 · 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-2026-000022612
StatusPUBLIC

Content hashes

Canonical textca42c6e264c3c8250a94d0a71cbd60424f8dc30ab7fdc51dc7b0eb8f158b61f1
Markdown187063c8c1aa5501db148421d764f7198900792da54e25e9685ed26be06ae772
PDF
Publication page8f74f61daf875c8ecd7d337fbf2569ce8d4cc8d06ba9f3924e35a22e70745b89
Manifestcc3808f0533963ca46e668dd2f0e95bdd9d4d07aee2d445f7c798a04ec5af1f9

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
SignatureuXM3gKSmBKGw14lV+dgB7TOY94L1NnKSRn+bAJpCzKqib9i1xIxU+ANjE88ZqcHOHBT/bgHj302qExTfu+c0Dg==
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

2026-09-17T11:51:58.975300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022612
observed 8f74f61daf875c8ecd7d337fbf2569ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.957706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022612/manifest.json
observed cc3808f0533963ca46e668dd2f0e95bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.942167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022612/publication.md
observed 187063c8c1aa5501db148421d764f719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.924059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022612/publication.txt
observed ca42c6e264c3c8250a94d0a71cbd6042...
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.