OpenTechnical

OT-2026-000051561

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000051561) never changes.

Identity and time

Publication numberOT-2026-000051561 · never reused
Internal UUID01a0ae83-7c81-7145-8c63-eae416efe30e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051561
StatusPUBLIC

Content hashes

Canonical text9b96a7c939e0448aae4062a5ffa12e894c728556b91b634fce90d759610332a8
Markdown1fd2553a16c0445cc562b1532e9d1189a469a63d42411e97dda8332b2fa9b46b
PDF
Publication page2e463a4c84477e8d9c68c19328b57f29164d52f9282fdcb9ade20a7591e8393a
Manifest949104f98b657bd8a22c5572486269e52e350a315602748507581d05681d231c

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
SignaturefZb2zBMxkubAHZ8d0LMm+mO6XxOALX/OWls2exsSCX9BsseNK/Ke8JOO3vWbL0KsLhb7mTgtVMczB/Ts/otZDA==
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

2026-09-17T10:58:23.913636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051561
observed 2e463a4c84477e8d9c68c19328b57f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.897417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051561/manifest.json
observed 949104f98b657bd8a22c5572486269e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.879209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051561/publication.md
observed 1fd2553a16c0445cc562b1532e9d1189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.861226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051561/publication.txt
observed 9b96a7c939e0448aae4062a5ffa12e89...
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.