OpenTechnical

OT-2026-000036439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000036439) never changes.

Identity and time

Publication numberOT-2026-000036439 · never reused
Internal UUID01a0ae77-01d1-71fe-85e0-ed7de670d931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036439
StatusPUBLIC

Content hashes

Canonical texte3cc9ff679d1ce51e57eea37b612d8e2b18f613dc2755782b0a55b9d151adacb
Markdowne4f1c2f638806c5439bc075ec4cefdffadd23033422ed0fd3528934c8580f72b
PDF
Publication page3a0a9c5ca3c88fdb157266451197ca08305d46c0c83316ddc2b7e25ad49fdd65
Manifesta8d472b6452612346355c2db9261957ba25c72de8408a494e4aa6a57570f0887

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
SignatureitiqmK7WlUgYUd6AKcVJFohhofMdPpnuh6s8U80+qQyfiGL5lcAoBtYxST0bKst8eEqJ5sZuAd6LtJKSvRNtDg==
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

2026-09-17T11:26:50.134988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036439
observed 3a0a9c5ca3c88fdb157266451197ca08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.115970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036439/manifest.json
observed a8d472b6452612346355c2db9261957b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.093685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036439/publication.md
observed e4f1c2f638806c5439bc075ec4cefdff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.074590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036439/publication.txt
observed e3cc9ff679d1ce51e57eea37b612d8e2...
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.