OpenTechnical

OT-2026-000003927

Publication integrity record

Vacuum cup gripper, per zone isolation, two stage ejector, contact triggered on the face

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-2026-000003927) never changes.

Identity and time

Publication numberOT-2026-000003927 · never reused
Internal UUID01a0a90b-7c8c-7166-a371-ad3beccb07b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:17.423474Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003927
StatusPUBLIC

Content hashes

Canonical text73b89ef439288f86c885c5c1d4ce90b8fd5eb51a8f602ad42d7609e4dd387b2b
Markdownc44909bd1c6c9f1284fe0dfefc4f2fd5d61f08d8aca044b4d738a7eb48cd5556
PDF
Publication page90d89a2264a2bafc3eebed91daa0e79b934af2a1884ca7b35b4f79fe6cb225d5
Manifest18beca82057ffef43fd9a38f7932d58ed422fe4b44a472e466ae0a7ec954d44f

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
SignatureWkLxrZ1fuADIMEIQus71p5sXYLr1CMOxIwLCAPXGO62dS7ONQ1cgvqQv0MeWvxVullB6pwbjKzaich2rNBgSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:11.848172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003927
observed 90d89a2264a2bafc3eebed91daa0e79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.835172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003927/manifest.json
observed 18beca82057ffef43fd9a38f7932d58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.821755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003927/publication.md
observed c44909bd1c6c9f1284fe0dfefc4f2fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.808580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003927/publication.txt
observed 73b89ef439288f86c885c5c1d4ce90b8...
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.