OpenTechnical

OT-2026-000064117

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000064117) never changes.

Identity and time

Publication numberOT-2026-000064117 · never reused
Internal UUID01a0ae8d-a45f-788b-834e-654551296c86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064117
StatusPUBLIC

Content hashes

Canonical textc307baea1157f96660eec16db9627b8d9b379befb77f4d82489fd6c8eec9c3d5
Markdown81487d816fbfbe4278972bdf76eb5267b96f41bd49116a61c9c5772c7da194b5
PDF
Publication pagec660cf81506b3b7ada1302e89a79162910c491ce6ca9d326cf49b2ca5273ba73
Manifest5d10e4dd7756ab9d617ade56f147fc2baf7089e251828f5d20ddab82093e1fdf

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
SignatureXv/yJdNiudhJJCdH++cQHykBr6IqAdyJTIzS0/vnDxsOko9lxtZIDiU8i6Vg/vRODJMLye1P539seP6S9MWXDA==
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

2026-09-17T10:36:06.815797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064117
observed c660cf81506b3b7ada1302e89a791629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.799459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064117/manifest.json
observed 5d10e4dd7756ab9d617ade56f147fc2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.782584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064117/publication.md
observed 81487d816fbfbe4278972bdf76eb5267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.764515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064117/publication.txt
observed c307baea1157f96660eec16db9627b8d...
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.