OpenTechnical

OT-2026-000067599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000067599) never changes.

Identity and time

Publication numberOT-2026-000067599 · never reused
Internal UUID01a0ae8f-6bda-7527-9058-94a863f3bbb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067599
StatusPUBLIC

Content hashes

Canonical text8851f49276c830bc5bd15418021610e743355a8b5a9d19e766dd6c2a03142f9a
Markdownc89498684d0299e2d69a03d4427b4ab394d542ca192b0fe8307a55a29febced4
PDF
Publication page4f13ab0a0a78e61efce3d376fd669e45e63f3c1e3cc1738879bf750104928a35
Manifestc0beb09d937a73475ccb455b0e62957eaa53c2fd6b1777614a3715ebf9242e1c

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
SignatureTMyfINmlQZjOa59tGX8e7Qy6718SN6kgI3Z82abDm/dpdz85OVyY25KaPBFGguFly7woyMrKt7i0epM5FPJ4Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:54.989908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067599
observed 4f13ab0a0a78e61efce3d376fd669e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.973223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067599/manifest.json
observed c0beb09d937a73475ccb455b0e62957e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.956412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067599/publication.md
observed c89498684d0299e2d69a03d4427b4ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.927048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067599/publication.txt
observed 8851f49276c830bc5bd15418021610e7...
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.