OpenTechnical

OT-2026-000011234

Publication integrity record

Single cup vacuum gripper, pump fed, vented after 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-2026-000011234) never changes.

Identity and time

Publication numberOT-2026-000011234 · never reused
Internal UUID01a0ae6c-5410-7e16-939e-51e8470953da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011234
StatusPUBLIC

Content hashes

Canonical textfa8d8cab3d70cfdcc51f89a1d6748b452e4753c1d7fbcb56e00e10a8bf040594
Markdownbb5dbe2bd6b63e3899de898278f5056e633659fd3bd495fde2095f85e3935f64
PDF
Publication page569982761883ff678da3cbd4c1a9b263979c5c47dbfcbe456a21bcc1ed6c573d
Manifestda446052f8f24432aa984309660e9600ca1d88221b992f6fd7c39f25eecbccd8

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
SignatureSCUQSYHw2z+B+MjsWHrtDb6ywPRGQx0vtXVzG5+eD2yb/M6OQgMpVO+OzbvG1Wgq0uDc0QDjPJiej2tuHbnnAg==
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

2026-09-17T12:14:11.735883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011234
observed 569982761883ff678da3cbd4c1a9b263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.715044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011234/manifest.json
observed da446052f8f24432aa984309660e9600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.695662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011234/publication.md
observed bb5dbe2bd6b63e3899de898278f5056e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.676193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011234/publication.txt
observed fa8d8cab3d70cfdcc51f89a1d6748b45...
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.