OpenTechnical

OT-2026-000010283

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000010283) never changes.

Identity and time

Publication numberOT-2026-000010283 · never reused
Internal UUID01a0ae6b-cb7b-73b9-8cb2-b17634bc5ebb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010283
StatusPUBLIC

Content hashes

Canonical text6198ec69f3478717ff5166fc6ec838a7098b8aebcbf03c9568e89ce04aeeded8
Markdown10960e61d7be5e5c9e261b5009e8f8c01874b485c450688076adbe37a613e138
PDF
Publication page15623dda64ddad774475ac09010e31420c80e7de2373a74ded05ab45125cf3fd
Manifestdd72fa72866c0a6cdf72dd89fabec9c6851aeec8d787a5387f37ca207173a9f2

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
SignatureGfyQA3UWh35/BRMPgbByoNesk9wYcGuozXTHUI9Hn93HUrG/PhIrSh5WX9xqcIvbEMrjSu09xemH6MrvubkFDg==
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

2026-09-17T12:16:30.711191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010283
observed 15623dda64ddad774475ac09010e3142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.694570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010283/manifest.json
observed dd72fa72866c0a6cdf72dd89fabec9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.675904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010283/publication.md
observed 10960e61d7be5e5c9e261b5009e8f8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.656981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010283/publication.txt
observed 6198ec69f3478717ff5166fc6ec838a7...
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.