OpenTechnical

OT-2026-000039075

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000039075) never changes.

Identity and time

Publication numberOT-2026-000039075 · never reused
Internal UUID01a0ae78-9672-75a5-bebd-2c0eff1e0279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039075
StatusPUBLIC

Content hashes

Canonical textd6e0ca462a50bc47484a1e9954e0de49f0dfa4d17db010b26f1334bce1768da8
Markdown4be4e5ec39302390fb2335c7dc65ae697da9dd92adc12cf50e29329b2da02e30
PDF
Publication page39b2d1d04066c5a1edce98c9177a5a38470782a59e3945a463806733e8a11c4d
Manifest6b8dd60292faec254e572f74251f5de73b0b72a22597f6f9b124762da9588abc

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
SignaturecdDqLaBf07c3Yw6j2a9NzHadpvgB1Rjn5zjqxuu/hhya8Pv2l5WpaakAIq+Nbz+0QuNbDJRXZiOrkJ4ws967Dw==
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

2026-09-17T11:20:33.198804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039075
observed 39b2d1d04066c5a1edce98c9177a5a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.179980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039075/manifest.json
observed 6b8dd60292faec254e572f74251f5de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.159318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039075/publication.md
observed 4be4e5ec39302390fb2335c7dc65ae69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.140760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039075/publication.txt
observed d6e0ca462a50bc47484a1e9954e0de49...
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.