OpenTechnical

OT-2026-000075682

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000075682) never changes.

Identity and time

Publication numberOT-2026-000075682 · never reused
Internal UUID01a0ae94-29fd-7be9-acf9-c2ec2c29564d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075682
StatusPUBLIC

Content hashes

Canonical text18ce63a29709535e9df84afe3f3564d730fdf4ab710ebe457646d210b02203ae
Markdowncf4567f32c9f8c17e20ddcf9f56cba590dfe4bec7e56a117f2671f9d7d07311e
PDF
Publication page40bfa61616da6c9ed8d2b1c9b309fbaa0782267fef44bb8b290e042f17028d45
Manifest5d32a4f1d1042f5a95a98c34723c2a0977c3fc458895c1d2c12778dc75ef930d

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
SignatureH35n2dOSvv27dK1NRl+GWgirppS5XQGO3p0tQTqAOOQo2Xy+6dfNjMvPAZ7m4XL/PFQwXhIkore2GexMkebNBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:51.034920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075682
observed 40bfa61616da6c9ed8d2b1c9b309fbaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:51.013351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075682/manifest.json
observed 5d32a4f1d1042f5a95a98c34723c2a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:50.799927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075682/publication.md
observed cf4567f32c9f8c17e20ddcf9f56cba59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:50.782187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075682/publication.txt
observed 18ce63a29709535e9df84afe3f3564d7...
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.