OpenTechnical

OT-2026-000025078

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000025078) never changes.

Identity and time

Publication numberOT-2026-000025078 · never reused
Internal UUID01a0ae71-2729-7889-ac9f-f2e28e3d7a43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025078
StatusPUBLIC

Content hashes

Canonical texte3a9f6eec4fbba1279ac9e148a4d24e4e14c00e3914db5c591d2e3d445711725
Markdown454fa0f5f31e04b8b930bcdf2b67e51b9005ac37f2782b0bf00f507f28aa32dc
PDF
Publication pagef27af4d6bfdb51240c7752b65e33ce2a8e4ca049f36d9617ba58c0d3fe498a3e
Manifest4178fd6a984ea3857735ea61c359daf543c173d711532890865ba31686b42bd5

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
Signaturea2o5jVkdh3liV8OVApVyuAaTg8p9q9lfIP58pRDefvbKAvrcA58Y62tf+1dR8EaZQHPt3m8RNJYrGg784OzsDw==
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

2026-09-17T11:48:29.614202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025078
observed f27af4d6bfdb51240c7752b65e33ce2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.595639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025078/manifest.json
observed 4178fd6a984ea3857735ea61c359daf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.575509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025078/publication.md
observed 454fa0f5f31e04b8b930bcdf2b67e51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.555540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025078/publication.txt
observed e3a9f6eec4fbba1279ac9e148a4d24e4...
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.