OpenTechnical

OT-2026-000084197

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000084197) never changes.

Identity and time

Publication numberOT-2026-000084197 · never reused
Internal UUID01a0ae98-5b60-753c-aeb6-56c49436c08f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084197
StatusPUBLIC

Content hashes

Canonical text567063c4d027da3a0770772f61073e7173893e693d882bcad9dba3b9992e57cf
Markdown7abc9771fea58b93ed6a6c449a7f4905929e3218147ff7d947e765fd74497f02
PDF
Publication pagea93bf150c767016884f2530dd140d030dbd2dfe314bef0a447b13d5630640678
Manifesta45a2eb9e2af635273c5d4b347db5656c76b4d0d95f757b6d90da23fe73a9a5e

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
Signaturenn6xUi50kYnlPJKFgMlVIvp2bLR8CrcvgidYJ7aQQYZinJTJ1IAxw+tJ6tSVoOU90O0RkvG4yWQGQ4IG78R5Cw==
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

2026-09-17T09:55:58.677910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084197
observed a93bf150c767016884f2530dd140d030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.661288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084197/manifest.json
observed a45a2eb9e2af635273c5d4b347db5656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.645770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084197/publication.md
observed 7abc9771fea58b93ed6a6c449a7f4905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.628027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084197/publication.txt
observed 567063c4d027da3a0770772f61073e71...
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.