OpenTechnical

OT-2026-000040568

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000040568) never changes.

Identity and time

Publication numberOT-2026-000040568 · never reused
Internal UUID01a0ae79-6d0d-7b38-8b03-ad11cc88ff15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040568
StatusPUBLIC

Content hashes

Canonical text5f4863db3685346274b27e5f308ecd6e5b06a86e810aa629a169c1d1dc84b9a3
Markdown82ef5b17f4b66e9cd5b03617a53daae6282a3b35a1063e1a376d138a411dbe79
PDF
Publication pagef8100854723abd9c66ae6a0aaf7d83763b8e7a104b84b0dec83be9a22f930d0a
Manifest01ab50661f775fec964edde50a4ef7f4eecaa042cba4c73b300937c63623f41d

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
SignatureD1W+eg1/JfQ8HutfC56vh8cuidg+Wj1bW9x9eOnLu8Fqvn4lJO/XMcC5K7UHFnJoBLVImeBRLgvZpKeUk9qrBg==
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

2026-09-17T11:17:43.868493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040568
observed f8100854723abd9c66ae6a0aaf7d8376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.850104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040568/manifest.json
observed 01ab50661f775fec964edde50a4ef7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.833133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040568/publication.md
observed 82ef5b17f4b66e9cd5b03617a53daae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.814138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040568/publication.txt
observed 5f4863db3685346274b27e5f308ecd6e...
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.