OpenTechnical

OT-2026-000065385

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000065385) never changes.

Identity and time

Publication numberOT-2026-000065385 · never reused
Internal UUID01a0ae8e-46f8-7ff1-b65b-5c8d3d012e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065385
StatusPUBLIC

Content hashes

Canonical text8718d14f1c3ff55c947a2332e3e95164967091c239afa75a3f6a8f4ec6c83f83
Markdown9ada5ec63868b5d7442d415df0c0d3231edc84a56f958b81a4d55a2276549a12
PDF
Publication page4f35b30897659ee25cb6f5c639bfc551d1f9a19fd789d945fbab54ebbd2df01d
Manifestff182a244b62e520352b9fc836e890957114e75970913952b7f17fd8ad128ac5

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
SignatureuV2XdnGpze4Z3fenss3KkB0WGZq+TNC6yZ8u7VDa+kLc2fmG1JpoKWwIoWFM4ghzKUwFslJXXD4Auu738HSkAw==
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

2026-09-17T10:33:38.501578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065385
observed 4f35b30897659ee25cb6f5c639bfc551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.482504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065385/manifest.json
observed ff182a244b62e520352b9fc836e89095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.464800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065385/publication.md
observed 9ada5ec63868b5d7442d415df0c0d323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.444772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065385/publication.txt
observed 8718d14f1c3ff55c947a2332e3e95164...
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.