OpenTechnical

OT-2026-000035947

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000035947) never changes.

Identity and time

Publication numberOT-2026-000035947 · never reused
Internal UUID01a0ae76-b4ca-7f76-804c-7bfe1d4488d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035947
StatusPUBLIC

Content hashes

Canonical text93277522a6dd21048a7a42010e2039888e9cc28821aac9d5839ff2e4457aaf99
Markdown1964bae07a7451d0436de8868ef5c7c00be67aac488d5dd12ffc0ce94b5d500e
PDF
Publication page92d44927bc63db72d4eb93929d28980400e59a36e7dc5099f7dc18a2cc97c55b
Manifestb332828fd6a33cbb989f03552ccc756a0b16f6042a65b58ffb516439651dbc31

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
SignatureWI5ZF0KRStTOmcHFNaKZMZVhBHEkcpG6RV+sYKKxc/2ojzEh1ree/gh31+A5sq9NUPW+4dL3faMlSw46lwh6BQ==
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

2026-09-17T11:27:48.096753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035947
observed 92d44927bc63db72d4eb93929d289804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:48.077185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035947/manifest.json
observed b332828fd6a33cbb989f03552ccc756a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:48.058807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035947/publication.md
observed 1964bae07a7451d0436de8868ef5c7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:48.041686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035947/publication.txt
observed 93277522a6dd21048a7a42010e203988...
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.