OpenTechnical

OT-2026-000014180

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000014180) never changes.

Identity and time

Publication numberOT-2026-000014180 · never reused
Internal UUID01a0ae6d-b279-7275-9709-2d7d4ceee99e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014180
StatusPUBLIC

Content hashes

Canonical text89c877c7df2ac4a011c7bd3d163590b058eb686c2dff1eabc97fd2a213cb183c
Markdown76575b0b3e5b6dc6787a262e049e9e21a43ebd8e258865faf5a651092e669090
PDF
Publication page3a046264d35d8a53c2853557842cdd890555dabcfe721c4b09a0d15e85761b5e
Manifest20b464e01d05daab877fd300c7064a9aab0a36843bbbff8e7352bce661a552df

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
SignaturevenlxwTZXNW0K2vDyDmgO9VHCxt7+z0rS/Aio6kXE54LVNfMj/kEqBA4RizpT7P4JYJCVaQw3OvbOJHjE6WwAA==
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

2026-09-17T12:07:16.423871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014180
observed 3a046264d35d8a53c2853557842cdd89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.404529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014180/manifest.json
observed 20b464e01d05daab877fd300c7064a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.383341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014180/publication.md
observed 76575b0b3e5b6dc6787a262e049e9e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.364431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014180/publication.txt
observed 89c877c7df2ac4a011c7bd3d163590b0...
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.