OpenTechnical

OT-2026-000047944

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000047944) never changes.

Identity and time

Publication numberOT-2026-000047944 · never reused
Internal UUID01a0ae7f-c422-7523-93d8-8c7676af51ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047944
StatusPUBLIC

Content hashes

Canonical texta85ce6fb47e6821baf9d8915f044ca6abb296d0c14231587843c4c70f48c1390
Markdown1627aebd212a29aa505ac178efa398d41deecdbd5b1b2313116976dc233d6aef
PDF
Publication page256d368639df7a7bedbf211af0d70d4ca70f4cb864846ce02e6b3f9f0590da2b
Manifest165d3626da9343f7db156eed15c08abd3774e797bb900f8cf15bc07e4aa839d0

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
Signature192li2lMucb0OyHCBAYbNHXoP1qHXXUQZB2P7+leim4pWreVDq9X0F3GcYTyw5lZPD94t9R4E1oBoECunN/WDg==
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

2026-09-17T11:05:54.648022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047944
observed 256d368639df7a7bedbf211af0d70d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.631221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047944/manifest.json
observed 165d3626da9343f7db156eed15c08abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.615030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047944/publication.md
observed 1627aebd212a29aa505ac178efa398d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.594564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047944/publication.txt
observed a85ce6fb47e6821baf9d8915f044ca6a...
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.