OpenTechnical

OT-2026-000064015

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000064015) never changes.

Identity and time

Publication numberOT-2026-000064015 · never reused
Internal UUID01a0ae8d-53bc-708e-9fae-2ddacfca017c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064015
StatusPUBLIC

Content hashes

Canonical text17d66a2db4a54356d6ee72e788f80bcc0f249dadeb7580aba6efc99ccad21ac0
Markdown0a1fa8a8cc883b66527ad61613fab368a704b1526d6d384b3164b63fcdebb0f0
PDF
Publication page8b5257062a4f1358288407c256cf9b88ed736c12307cfbd2e51cfd9a6296b332
Manifesta8bf08a04ba4793059d6fa7cf6e7c75a8e73411ce5ed36302c913ae3a8db9606

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
SignatureltcOx7ZAMtWlzTFQWTJK+O4M5xiiD2WauJBMqmbhDzju0nVpdXvHWZxKFvojqlqAMgHE+PIbT00+yD6y9mRUDw==
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

2026-09-17T10:37:05.812472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064015
observed 8b5257062a4f1358288407c256cf9b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.792987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064015/manifest.json
observed a8bf08a04ba4793059d6fa7cf6e7c75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.774396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064015/publication.md
observed 0a1fa8a8cc883b66527ad61613fab368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:05.754566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064015/publication.txt
observed 17d66a2db4a54356d6ee72e788f80bcc...
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.