OpenTechnical

OT-2026-000063975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000063975) never changes.

Identity and time

Publication numberOT-2026-000063975 · never reused
Internal UUID01a0ae8d-53bc-7f9e-82b5-f6aacadc38db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063975
StatusPUBLIC

Content hashes

Canonical text83bb994325e0aaab7205c81ab2521e8d3315101432858c28b8ea180647c98afa
Markdown5ce343a30b084b01d6cd7aa46a767000ffb64205692a55f473b982c0e5625fa3
PDF
Publication page814e4e03b6599e805796b82e5e178e0ee9261a760bf3ea8538175d6c95f82553
Manifestc83f581a182a92ef2a6aeb6d599f2577ba412dc65b7db7cb37520a9a5dd74593

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
Signaturehsh/uDo/bsqh2ID1HmR8nnH3zrdUMmfZCfdAtnSw+c7BVwyp9IwSPEBVVZwXQ2yhpnVTKv5HfhVTjsmp+J4iCg==
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

2026-09-17T10:37:02.583027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063975
observed 814e4e03b6599e805796b82e5e178e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.554987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063975/manifest.json
observed c83f581a182a92ef2a6aeb6d599f2577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.528016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063975/publication.md
observed 5ce343a30b084b01d6cd7aa46a767000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.493553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063975/publication.txt
observed 83bb994325e0aaab7205c81ab2521e8d...
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.