OpenTechnical

OT-2026-000084007

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000084007) never changes.

Identity and time

Publication numberOT-2026-000084007 · never reused
Internal UUID01a0ae98-5b5d-7047-ac32-f3390ae92948 · 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-2026-000084007
StatusPUBLIC

Content hashes

Canonical textc934d5bff4bd6a66578564f457e39ea73b3fd0958c2e41a17c8d243a6c3132ab
Markdownbc5a8cdf6293dc1c9c3112df49dd9fada51663579c721947139adf9c4f3a9383
PDF
Publication page6d5130600c6f1e75ca99ff875e1b83e76a4c7091d370e6dde6484b2f65e9c413
Manifest99a90524c4da5ee286d1270995a571c5eb32c6997cde9c86745aa03ccb56efa0

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
SignatureHXGioKD6tI/eF9R9yXqj4T2OkrtSo7wuBUpdxVK9tMZsehj+4VoMrRkoKtByXzlSWZhfQFmuAxbV4fn2R2oEBA==
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

2026-09-17T09:55:43.477208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084007
observed 6d5130600c6f1e75ca99ff875e1b83e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.459281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084007/manifest.json
observed 99a90524c4da5ee286d1270995a571c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.440126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084007/publication.md
observed bc5a8cdf6293dc1c9c3112df49dd9fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.421547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084007/publication.txt
observed c934d5bff4bd6a66578564f457e39ea7...
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.