OpenTechnical

OT-2026-000022405

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000022405) never changes.

Identity and time

Publication numberOT-2026-000022405 · never reused
Internal UUID01a0ae6f-f4fd-7a01-bf0d-86a4280c5ba4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022405
StatusPUBLIC

Content hashes

Canonical textc2b90e2cfe5a1b4efcd33d87c9dbf237951df62133eec8dca75b4076e058ca4e
Markdowne4c23760e06521c0841d9f6c01e2951ecca1e090735cf710729f5b664cf7094d
PDF
Publication page95ea3176d75737ec6a43073449b1405c0782011ba165e96d8061a284c194f8f4
Manifest68d46010dc8e67933e617a90a9e7fd0e07234128f1951fe8756b354f568efcf9

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
SignatureVhDDyN3EAIXOu8gY+YPTyvhBmwdqs6Y0mI+HXUSQ9VJFso80cKhPDQO1vkYQlho0qQN3OcnHHoHX1UELR09sDA==
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

2026-09-17T11:53:47.356773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022405
observed 95ea3176d75737ec6a43073449b1405c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.339563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022405/manifest.json
observed 68d46010dc8e67933e617a90a9e7fd0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.322659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022405/publication.md
observed e4c23760e06521c0841d9f6c01e2951e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.305783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022405/publication.txt
observed c2b90e2cfe5a1b4efcd33d87c9dbf237...
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.