OpenTechnical

OT-2026-000038179

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000038179) never changes.

Identity and time

Publication numberOT-2026-000038179 · never reused
Internal UUID01a0ae78-2d50-7e08-9441-95ffc6858265 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038179
StatusPUBLIC

Content hashes

Canonical texta5f8e1af3b2f9745e79f9b042bcfe757d3dc8b46653783b7486784ec6c387932
Markdown0522bf5c565eaef510211e798646661d3d3279f13177d71a119d77b70a77df46
PDF
Publication pagec98795ea59ce9d9a343c301269a6985c75cb63ddd928d0b7b3a5e482c0a31f1d
Manifest6d8d5fb7823d44d746f6238cb1ed131edac3b39247af3ef0f3cda93a8f948ea3

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
Signature8y76rcKQy5sRMdjOAFw31dk/Trlhz8dOuthsqfgoFnOy5MwAr9Xjy8Ojrzo75GuQ3f8C4QQY2mm6rOtvJvGbCQ==
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

2026-09-17T11:22:18.244660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038179
observed c98795ea59ce9d9a343c301269a6985c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.225733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038179/manifest.json
observed 6d8d5fb7823d44d746f6238cb1ed131e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.206714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038179/publication.md
observed 0522bf5c565eaef510211e798646661d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.185953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038179/publication.txt
observed a5f8e1af3b2f9745e79f9b042bcfe757...
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.