OpenTechnical

OT-2026-000032185

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000032185) never changes.

Identity and time

Publication numberOT-2026-000032185 · never reused
Internal UUID01a0ae74-f7a6-76f5-aff2-1df7c6d40c20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032185
StatusPUBLIC

Content hashes

Canonical textf2a5204840e948cb681b6620ea5ddf64062603e9bb7331d505197e9211c6ba93
Markdown200c12e19a78588ef0cab16775faffa7e3276cbddd951fd517158083d617f764
PDF
Publication pagec82b7e812586a8aae9c2b7cdd4b9365c0810d98c26f6691f2876a8806038bfb1
Manifest792ab28ebc51fb42f6d9a4c14ba0c282fd6ee6d73163b82f410cb6af9aa6e3cd

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
SignaturepVIGC27d5aKL5iceU06HmzYc+A4H/jXN9/9Uha8KJ1d12s83growsldo3ynAHtlLD2jG1CFEuYUVpxIGI5hvBw==
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

2026-09-17T11:34:31.455291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032185
observed c82b7e812586a8aae9c2b7cdd4b9365c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.435645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032185/manifest.json
observed 792ab28ebc51fb42f6d9a4c14ba0c282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.418260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032185/publication.md
observed 200c12e19a78588ef0cab16775faffa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.399662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032185/publication.txt
observed f2a5204840e948cb681b6620ea5ddf64...
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.