OpenTechnical

OT-2026-000029184

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000029184) never changes.

Identity and time

Publication numberOT-2026-000029184 · never reused
Internal UUID01a0ae73-2aa0-7d8a-9e39-8891b82ed38a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029184
StatusPUBLIC

Content hashes

Canonical textbba68f0a12ca5640a4cb41e9e505462f9bd4e75776cdb6b643d25b6ee01fbe34
Markdown3d40584aa43aa56b9d95da1211bdd3081373012928fb8346e3d904935e99fbce
PDF
Publication pagecdcbc8f6f700e607b71daecf1de52bfdd6241a3ea7f92a9237e0a0e3f5b303a5
Manifest59c32eea5704fd2f562f6d6d10176de0e6eaa8004448c5e5052bf18ad7a5a188

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
SignatureLmIqm8UlhWUOlgc7K60rfp7Sr8Xk1vxGFQThtfK0seKw4gWblegn3XY8ULMz/t8uuw4F1nTIRzuT+x0Yq7kFDw==
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

2026-09-17T11:39:41.124630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029184
observed cdcbc8f6f700e607b71daecf1de52bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.106650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029184/manifest.json
observed 59c32eea5704fd2f562f6d6d10176de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.085854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029184/publication.md
observed 3d40584aa43aa56b9d95da1211bdd308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:41.068710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029184/publication.txt
observed bba68f0a12ca5640a4cb41e9e505462f...
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.