OpenTechnical

OT-2026-000092381

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000092381) never changes.

Identity and time

Publication numberOT-2026-000092381 · never reused
Internal UUID01a0ae9d-b5fb-7192-945e-22f7fd387730 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092381
StatusPUBLIC

Content hashes

Canonical textcb76f972b8e34a9d9347146ea3473bcf6f3a2b212f08fb481b3602ae633096f6
Markdownfa560b9b0d51cdfb39c959ecd0e903cea4be66d03eafb1fa22b7fb97f529c7f3
PDF
Publication pagee5c9e3c821471385678d8186e1239bc1697ed20a1ade7f1461c0da8cc13e1fd7
Manifest10fffe44caaa12600e4e490ef1469a6a850e0b92a58eb02fca0e5db2d47d3e12

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
SignaturexiqQCZ10Dwd///gZIInvNNJWJiQ0IQodX81NPfwlwMogpojq6S92/6E3BBig7QzbSaepoCKU/ptw9wh1xGMQBQ==
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

2026-09-17T09:40:55.260342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092381
observed e5c9e3c821471385678d8186e1239bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:55.242331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092381/manifest.json
observed 10fffe44caaa12600e4e490ef1469a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:55.224751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092381/publication.md
observed fa560b9b0d51cdfb39c959ecd0e903ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:55.206220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092381/publication.txt
observed cb76f972b8e34a9d9347146ea3473bcf...
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.