OpenTechnical

OT-2026-000046787

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000046787) never changes.

Identity and time

Publication numberOT-2026-000046787 · never reused
Internal UUID01a0ae7e-d0f4-7382-b98a-9f41389f993d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046787
StatusPUBLIC

Content hashes

Canonical texte4674db97dc0e77ec6185f4a6c58b7b7262ff241a00d690d5596b0eb838594eb
Markdownd06efa48558366bc2d33ed556b8fa405ab2d4d1ade629b05ccd642d0d1235e64
PDF
Publication page17a1056b06ed6dba91eb532cc60e0a7b1fd69638b1f04fa4b9c70ca2682511a4
Manifest9fb9c40e811f56c63d590608590f7b30eef2973abd3063d0f2fa5a201f7b06fc

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
SignatureJXQqMJDy41QtMQjTRTlF+vx2w5KCtnOdf7L1cU0dvguXhG8g4gKqMlWh3o46qjyvSWy7APYgZRgVnNBA3wxyBg==
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

2026-09-17T11:06:51.836888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046787
observed 17a1056b06ed6dba91eb532cc60e0a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:51.816435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046787/manifest.json
observed 9fb9c40e811f56c63d590608590f7b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:51.796662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046787/publication.md
observed d06efa48558366bc2d33ed556b8fa405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:51.776761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046787/publication.txt
observed e4674db97dc0e77ec6185f4a6c58b7b7...
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.