OpenTechnical

OT-2026-000076428

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000076428) never changes.

Identity and time

Publication numberOT-2026-000076428 · never reused
Internal UUID01a0ae94-6a71-77e2-9c23-1a6d2fc641cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076428
StatusPUBLIC

Content hashes

Canonical text614f6651acdc29a00cb76ac2e0d8d673f1f4144b5545e543b5f9a9cee3cc52ce
Markdownc88691a57847c98d91bfa923991611cb2c2b798cc097455b984564b1be2071b6
PDF
Publication pagef8c47b35f08c8abe4729d69c13d63e2f6d16a6807ea2ab4a8adf8657937aac4c
Manifest495dc5db12fa8d812ef4b2aa087a9e2ed642ddf254512720ac523dd75181140f

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
SignatureoM7Tf6RoMn3f6uFYheszT1kJfINYUzSe3//058ds3nMdbzmi6rGX2wWtOXJNMgm1X0nsuSwuLxij6YlK/wGqBg==
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

2026-09-17T10:12:26.062297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076428
observed f8c47b35f08c8abe4729d69c13d63e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.042316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076428/manifest.json
observed 495dc5db12fa8d812ef4b2aa087a9e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.023181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076428/publication.md
observed c88691a57847c98d91bfa923991611cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.000992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076428/publication.txt
observed 614f6651acdc29a00cb76ac2e0d8d673...
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.