OpenTechnical

OT-2026-000064459

Publication integrity record

Three cup vacuum gripper, three 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-2026-000064459) never changes.

Identity and time

Publication numberOT-2026-000064459 · never reused
Internal UUID01a0ae8d-a461-76a7-a54e-4602d20a603c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064459
StatusPUBLIC

Content hashes

Canonical textc38b54001ec665396842c26cc774dd3843403e9c676f1df864a32590a27388b6
Markdowne4b4f91cdcdb0b360cf0e87a944c1c9ee3b4bf6db2c9b14dbce7e039a4a3b6af
PDF
Publication page6f732eef8d392e0847dba63a82563bd24d21237aba8456614dac5f32c5612f36
Manifest3001b3f4a74ed514a95b28b0c81809a98bf3126593a0cdd5bbd4aeecd3096cbf

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
SignatureAYBgP8IHqh+/09l4umRnUSIPhG3j1OAalsAe3mmSefUp+JkzRTbLtFmKaLv/HVkxmzQKYFsrQ7bHiptmwq7aDw==
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

2026-09-17T10:36:38.925188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064459
observed 6f732eef8d392e0847dba63a82563bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.905311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064459/manifest.json
observed 3001b3f4a74ed514a95b28b0c81809a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.886629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064459/publication.md
observed e4b4f91cdcdb0b360cf0e87a944c1c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.867618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064459/publication.txt
observed c38b54001ec665396842c26cc774dd38...
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.