OpenTechnical

OT-2026-000038679

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000038679) never changes.

Identity and time

Publication numberOT-2026-000038679 · never reused
Internal UUID01a0ae78-769e-70c9-93ee-8ec0d7be8e6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038679
StatusPUBLIC

Content hashes

Canonical text8338fee6e95741f374eedc0822d080f36608db187bd6a4a20b29d39d64132065
Markdown0f96d891b306b8622440982005fec0890eb799f0fcc3d9a6ca171f805580a90f
PDF
Publication pagebd9718286f5b1d05c24bc062ea90ed16ad305a50e57054c2d8333a276dfeef60
Manifest82532ba79b37caaa867ce55f5b204f357086683ba882f86ce1ed748f5d0d9c66

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
SignatureC1P1ICzycACnfXgFtVTGU/NVbixzLk6domC9rbbSbtb6Fps1jQfw2/lOImb2Nj/ZzIA+NI7SG99Y8GTRhcADBg==
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

2026-09-17T11:21:11.245020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038679
observed bd9718286f5b1d05c24bc062ea90ed16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.223212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038679/manifest.json
observed 82532ba79b37caaa867ce55f5b204f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.202290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038679/publication.md
observed 0f96d891b306b8622440982005fec089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.181859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038679/publication.txt
observed 8338fee6e95741f374eedc0822d080f3...
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.