OpenTechnical

OT-2026-000026479

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000026479) never changes.

Identity and time

Publication numberOT-2026-000026479 · never reused
Internal UUID01a0ae71-f4a8-7232-90c7-f64a383a03f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026479
StatusPUBLIC

Content hashes

Canonical textace7ac7319f69c621833c0f31359edac352bb73c05bc26f0982126de1b818bf8
Markdowna1881637d9f8325a64ab3c7ce50adcc9ffa839c52c6627f89136ea917bb3a70a
PDF
Publication page31ad8d4d4efa138a8023822c90d059f2e530cf448554dfbc2a7b64ad99e536a3
Manifest6efafd993ddbd70981da6171bb2758d41d14f0fd3cd7dc467cc7b4a060946845

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
Signature8sX2JSxnHJlu8sfK8+J3mSeWBVrGyZ9sG75BxUBz+Iab2xZYJI9E0wOnT7gaj16MNGjg03tAlGmp0Eoi8fRTAQ==
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

2026-09-17T11:44:29.166269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026479
observed 31ad8d4d4efa138a8023822c90d059f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:29.144478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026479/manifest.json
observed 6efafd993ddbd70981da6171bb2758d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:29.118105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026479/publication.md
observed a1881637d9f8325a64ab3c7ce50adcc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:29.097043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026479/publication.txt
observed ace7ac7319f69c621833c0f31359edac...
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.