OpenTechnical

OT-2026-000025193

Publication integrity record

Three cup vacuum gripper, 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-2026-000025193) never changes.

Identity and time

Publication numberOT-2026-000025193 · never reused
Internal UUID01a0ae71-5fa6-7be7-94cc-fa18f2bff5f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025193
StatusPUBLIC

Content hashes

Canonical textcdf8429143e876933158f6fceae1a31e8951726ef29837bd5b32439e9b41f462
Markdownea236dda0978ae8f7cfab3b854be26cc772cafc9752c1e0d571bf46db393a224
PDF
Publication page00922870c74bd1d5326e9bfae65b50560cea5e0cb68b7a93db5bc3b1bf5767c7
Manifest7871b548bdc3398db4826d2239e5958cb3d8460b22dd1adaac613f63459534f1

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
Signature+Ero8kX/5TSj5qxjM4f8OdyJ+MDQnt04OnZsSjQEMwg3JTz5C8kgFqBxTWpGIz55GjT9pisnFunkq6RtpfYjBA==
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

2026-09-17T11:47:10.840414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025193
observed 00922870c74bd1d5326e9bfae65b5056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.822712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025193/manifest.json
observed 7871b548bdc3398db4826d2239e5958c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.799331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025193/publication.md
observed ea236dda0978ae8f7cfab3b854be26cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.773900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025193/publication.txt
observed cdf8429143e876933158f6fceae1a31e...
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.