OpenTechnical

OT-2026-000023665

Publication integrity record

Single cup vacuum gripper, two 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-2026-000023665) never changes.

Identity and time

Publication numberOT-2026-000023665 · never reused
Internal UUID01a0ae70-aed4-7c92-8ab6-b36a2229bf10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023665
StatusPUBLIC

Content hashes

Canonical text32089f1fb7c4d58bf3fa74afb0212be79f5c6443210ea354b9479ee7abc17fe1
Markdowna0b5696cbecb652a75aed428ca19afa77341dcb33f070644091d33848df8742f
PDF
Publication pagebe654f27197c6c36b92ae0c6652021dce48f0244cddb93d83453aecca6079afd
Manifest5e1f970070ea0b131b38eea875aff9a6d8e74b70e55638e388b4825f30e6abf9

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
SignaturelL6ISeuNIZyqOq3fRxOQZSeDgAOx648Z9n7kz/BQBj33Dk1GS9xunGIuXO6JwLEGmCytBx267klO0wskV2N5AA==
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

2026-09-17T11:49:59.011562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023665
observed be654f27197c6c36b92ae0c6652021dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.986511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023665/manifest.json
observed 5e1f970070ea0b131b38eea875aff9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.966432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023665/publication.md
observed a0b5696cbecb652a75aed428ca19afa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.945873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023665/publication.txt
observed 32089f1fb7c4d58bf3fa74afb0212be7...
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.