OpenTechnical

OT-2026-000032307

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000032307) never changes.

Identity and time

Publication numberOT-2026-000032307 · never reused
Internal UUID01a0ae75-106d-7ffd-a735-71e501f49e19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032307
StatusPUBLIC

Content hashes

Canonical textd4fbb61b87ab1c364c83500fd5fbae2b39fe6569907e3f282075b85429a03468
Markdown634ec23c13c6342ad6c636c94a57b5a1b07e639dbaaff36499f5f1eb03fb6a54
PDF
Publication paged436d640b922af8fc384dcc1bd39d8200f470ca194425022215176868b5d9795
Manifest828222233fad2682fea22f909a5dc0b89abfb87c73de4a5832bb690778927fd7

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
SignaturemjXeO3hrcCtGpiYOaZkRTwUZ2vc70svUAKR6fkW5lYrXBSmZfrNd4Z+uSPnAEsL+9VTjGWizF24FB/Elg++mAg==
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

2026-09-17T11:33:08.412269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032307
observed d436d640b922af8fc384dcc1bd39d820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.395955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032307/manifest.json
observed 828222233fad2682fea22f909a5dc0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.375350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032307/publication.md
observed 634ec23c13c6342ad6c636c94a57b5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.356779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032307/publication.txt
observed d4fbb61b87ab1c364c83500fd5fbae2b...
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.