OpenTechnical

OT-2026-000093239

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000093239) never changes.

Identity and time

Publication numberOT-2026-000093239 · never reused
Internal UUID01a0ae9e-0911-768a-b35f-7a5db38f7803 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093239
StatusPUBLIC

Content hashes

Canonical textaa78a7c4c3cf38c1166d2a4fb37c98dff0faec49354d8b5a286c19697b1e0aee
Markdownaf3771213af1812f154b36d38b66c8cc447000e48968f01f164617c6673ab9d9
PDF
Publication pageecabacb62cc044f5686eef6bf3b1d4d8afd67f4d967f175c4bfb4d10153308c7
Manifest9db7911c3d6f7b17fe23fcfe789165e67dcc17f5e671f49c1681bf65e946d118

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
Signature2vxjNcRES5jlc1dYw/1JJrYjOrH00HeyusG8yC7PshGBPYqXdvc+XYHzCDvABER4S3+DYIsfzH6J6QRlSyGYBQ==
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

2026-09-17T09:40:35.384768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093239
observed ecabacb62cc044f5686eef6bf3b1d4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.363612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093239/manifest.json
observed 9db7911c3d6f7b17fe23fcfe789165e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.342947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093239/publication.md
observed af3771213af1812f154b36d38b66c8cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.325807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093239/publication.txt
observed aa78a7c4c3cf38c1166d2a4fb37c98df...
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.