OpenTechnical

OT-2026-000007411

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, pressure verified, rubber cups, oval form

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-2026-000007411) never changes.

Identity and time

Publication numberOT-2026-000007411 · never reused
Internal UUID01a0a97d-d9ee-7c22-9062-463d03ccc2d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:12.433216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007411
StatusPUBLIC

Content hashes

Canonical text7cf6f4f559e20c0d2cce810b19ca2f4a1533829f9cf65934ecc694258d9c783d
Markdowne97fd73e1a6aacca0b4510e30fd7c98e4c4845564b17d3a0f0f27f37dfc56ec4
PDF
Publication page0e22cd9bd0a01cbf67919b72ea9dd29cd44dfe290a0f60859588a26d051c25fd
Manifest15c8c03073e1f3f2d8307edda14d43c0f9732a87a353c16ffbdc6e8fc4dbe4e1

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
Signaturez4E8YOJXmExdZExZbkwibVl5sVG+xZRbHV/5izIH+q8ZOr9nAQltlngOsdSU4dvk7ZK46xDKWKd/66Zg79WjBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:06.865417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007411
observed 0e22cd9bd0a01cbf67919b72ea9dd29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.852222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007411/manifest.json
observed 15c8c03073e1f3f2d8307edda14d43c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.838482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007411/publication.md
observed e97fd73e1a6aacca0b4510e30fd7c98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.824053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007411/publication.txt
observed 7cf6f4f559e20c0d2cce810b19ca2f4a...
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.