OpenTechnical

OT-2026-000006545

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, six outlet manifold, ejector fed, plastic cups

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-2026-000006545) never changes.

Identity and time

Publication numberOT-2026-000006545 · never reused
Internal UUID01a0a95e-efd2-7804-a44e-9ab089f7a82c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:39:26.422700Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006545
StatusPUBLIC

Content hashes

Canonical text9ca7053406c364e9438e4cf0750f0d6b770241738dfd1d12023e15b30fdf11ef
Markdownfd36a0313d87b84275431b1fbf39ff65e1c6f9df46bae8d607d5730a3ec1a008
PDF
Publication page8b2ea858dd82e9f28e5d6e2cfd43f21349a40f5b905fd1ed31da4ff35461ebb1
Manifest3d3ea82db400aa817b78a8c616f642281d236efac51ccf4bbd0da5c5c817c9d1

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
SignatureC5ugMKZphRT/ceVWfG0RVrjg62kKK7vccRwzx8kzje6hE5gfu+jPFXXOJRqYZXAgo7FceQWV8m8SFRwqaeDfCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:04.738814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006545
observed 8b2ea858dd82e9f28e5d6e2cfd43f213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:04.720248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006545/manifest.json
observed 3d3ea82db400aa817b78a8c616f64228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:04.704424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006545/publication.md
observed fd36a0313d87b84275431b1fbf39ff65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:04.685326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006545/publication.txt
observed 9ca7053406c364e9438e4cf0750f0d6b...
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.