OpenTechnical

OT-2026-000023865

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000023865) never changes.

Identity and time

Publication numberOT-2026-000023865 · never reused
Internal UUID01a0ae70-aed6-7310-b34c-1d137d939ae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023865
StatusPUBLIC

Content hashes

Canonical text47215bcda579e60d15c86b51090b399f8e8621e3ea9f129081eac95b7cfb6277
Markdown33956ab8d766608e37171b41de3ab7eb4173925e2d3e0fd3dd511f20773bccef
PDF
Publication pageae26b17f4e87dcc94fef34ff77c8561c30f400e49b9939bb5740734c400a2854
Manifest6e6f87c7178ed92ddaacf41f0fffef9c7703df88cde37b3b4703d56cfc5b7631

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
SignatureTnXNt3soTiASfK/q7NOYVNaUFzBAmRJ3KvxxFhrPxie+4baPpLbae0xtZ8AwLToqkvEKF6a6a2rLgLuiC5neDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:28.196893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023865
observed ae26b17f4e87dcc94fef34ff77c8561c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.173567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023865/manifest.json
observed 6e6f87c7178ed92ddaacf41f0fffef9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.155213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023865/publication.md
observed 33956ab8d766608e37171b41de3ab7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.135614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023865/publication.txt
observed 47215bcda579e60d15c86b51090b399f...
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.