OpenTechnical

OT-2026-000074063

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000074063) never changes.

Identity and time

Publication numberOT-2026-000074063 · never reused
Internal UUID01a0ae93-2b8f-796d-8af6-dae312d20ad6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074063
StatusPUBLIC

Content hashes

Canonical text3d46bfcf3303a89e3178bd868a8a16bd8e92c8d903f1f6a39dcae9ac24927086
Markdownf3c1c724c3bf95ef5b3505e8e9c70f0960c9c785b172b08209f6da2df9a2ccae
PDF
Publication pageb70034fb61486d0bddeee68310107acc0d37905aad28e3805b1a53b0fef85a7b
Manifest641fc725787ef68eed2072872f8e728bdd7a55c25e6524c537f60556873a14c4

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
SignaturenSdQC6Cu3ZPfOPLX3hBx4S/znKytzZ2GsEQiDL3JJGlCxT8Wvad2UiL3cPj8v8nvCaVYqLajF2aYxiLBR+67DA==
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

2026-09-17T10:20:23.553207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074063
observed b70034fb61486d0bddeee68310107acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.534967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074063/manifest.json
observed 641fc725787ef68eed2072872f8e728b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.516664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074063/publication.md
observed f3c1c724c3bf95ef5b3505e8e9c70f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.496999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074063/publication.txt
observed 3d46bfcf3303a89e3178bd868a8a16bd...
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.