OpenTechnical

OT-2026-000079517

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000079517) never changes.

Identity and time

Publication numberOT-2026-000079517 · never reused
Internal UUID01a0ae96-0b91-7111-8c9c-ec77ced841ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079517
StatusPUBLIC

Content hashes

Canonical texta7d512974cebb96bc56f2d9addb28439e96bff428e40b9829d3d592b087f6a38
Markdown1b939a6dce849410851d3feca25b7fc9fe01954e9467dcbfbfa0e5ea99d1d35a
PDF
Publication page983e0a64c322d12e2e85b5a134519d1f7edb0f25846c50883aebe40cbffe2435
Manifesta10721a9246e2ffa3e75ac2a819abcce08665777b3664048952f6a53770a4a25

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
SignatureAhJO2fAJKzkXU0vQzSVdYTu+lqZ2oPSe28o1bSQOwPtIaemZKb1jcbDl9i4fWfk0yMoZNS7LcZ5blItZr6xqBQ==
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

2026-09-17T10:05:09.557989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079517
observed 983e0a64c322d12e2e85b5a134519d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.538445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079517/manifest.json
observed a10721a9246e2ffa3e75ac2a819abcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.518397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079517/publication.md
observed 1b939a6dce849410851d3feca25b7fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.493744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079517/publication.txt
observed a7d512974cebb96bc56f2d9addb28439...
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.