OpenTechnical

OT-2026-000013344

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000013344) never changes.

Identity and time

Publication numberOT-2026-000013344 · never reused
Internal UUID01a0ae6d-6fc9-74e0-95e1-0c5bdb1f6a4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013344
StatusPUBLIC

Content hashes

Canonical text4093a034ee968df041e598361601a28d537da1fed6c7db879396900b5254caeb
Markdown2949d8299fa6d852bdbcfbae39ba81d971f3848134375ab9f15b02796c74b54a
PDF
Publication page6c441204110e7521d7a5651eca6f3be13a385944e41ad0d72760e23837d1eaa6
Manifestb6c0f60fbcfb15d4798c69b5c42e8b559e13e1bae66549d97cd36f3f6039e272

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
SignatureiuaOm45/MAqO2iLyFNBmVpWfcm3PpdvmhP7ylceun8dI1pO8KFO4X0u7N6WENQC2+z1pxcMXOJoseywN/Ow8Aw==
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

2026-09-17T12:09:47.391331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013344
observed 6c441204110e7521d7a5651eca6f3be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.370407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013344/manifest.json
observed b6c0f60fbcfb15d4798c69b5c42e8b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.350881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013344/publication.md
observed 2949d8299fa6d852bdbcfbae39ba81d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.330121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013344/publication.txt
observed 4093a034ee968df041e598361601a28d...
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.