OpenTechnical

OT-2026-000063909

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000063909) never changes.

Identity and time

Publication numberOT-2026-000063909 · never reused
Internal UUID01a0ae8d-53bb-7709-8fe9-073132f9d153 · 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-2026-000063909
StatusPUBLIC

Content hashes

Canonical text7d14b5f9235c32b5b833955b4505322e372270fa9089b6f956e6f0cc5b164e16
Markdownfdf073b715aa75b0c92aecd4793e7cbb015fe73cf3a5352753c090b62ba3d4a0
PDF
Publication pageee383354ca8a64484051eb25f918c4f66275890745f532fc0065fc9f834e0884
Manifest3f4df5fe97ed2a8338c0f4e2b15df50153d690324fd3a6f4244fd9387cb3587d

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
SignatureeTWNDh611eDCJPx5/fJ+AmiV8vXdiC6ilcTOGWdZ4SGW0PofRxay/LzKmM5h6OIuhiQp7UImQJW4RN30+2FdCA==
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

2026-09-17T10:36:57.472432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063909
observed ee383354ca8a64484051eb25f918c4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.454371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063909/manifest.json
observed 3f4df5fe97ed2a8338c0f4e2b15df501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.437804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063909/publication.md
observed fdf073b715aa75b0c92aecd4793e7cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.421567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063909/publication.txt
observed 7d14b5f9235c32b5b833955b4505322e...
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.