OpenTechnical

OT-2026-000007809

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000007809) never changes.

Identity and time

Publication numberOT-2026-000007809 · never reused
Internal UUID01a0ae62-8d39-7fed-956c-0a57a505adad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:29.414051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007809
StatusPUBLIC

Content hashes

Canonical textfd830e78814196b034a4a673b35e6d9a47a19ec4574cd140ddc0d572dad55666
Markdownfc78825af6510c80fbd2f1549434c5ab9d2d42d4fdb8d27d7a0c57f727108fc8
PDF
Publication page48f5cd2fe6296cf957b5bbb6e9f0840159eac82f07d2742c5124fc457ca877b5
Manifest54b4b8018c4b8dcc0cb313628d8575e4dd40cbeb592ad8910bf11a1a1c5488ef

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
SignaturepIeTV0v8lRpFo7FIGJNEXZQnA25v2L24avtAHk6ONpQECpjnZ2jmKwpkYHvZ7915qiEBAI2RuV4NMEhPjlC7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:03.777327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007809
observed 48f5cd2fe6296cf957b5bbb6e9f08401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.758186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007809/manifest.json
observed 54b4b8018c4b8dcc0cb313628d8575e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.741647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007809/publication.md
observed fc78825af6510c80fbd2f1549434c5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.725527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007809/publication.txt
observed fd830e78814196b034a4a673b35e6d9a...
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.