OpenTechnical

OT-2026-000064688

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000064688) never changes.

Identity and time

Publication numberOT-2026-000064688 · never reused
Internal UUID01a0ae8d-deb9-7bc6-ade5-5b5b64e8abc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064688
StatusPUBLIC

Content hashes

Canonical textcb561a1805f3060e68e4d863440e3940fc0819b88bc7a5e978283f21f1a220f7
Markdown96b3870128a1efda16e30e992c561c78f1e02c0aeadf6334f694f021cdbb91d3
PDF
Publication page32ebe4ebea9986fadb85a4f346dc69e03981f8f0eb4198d65e704560f4725212
Manifest9462347422426edb238853e75c916ae8ab0a7b4c9718241ea19e36fad3e68ed1

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
Signaturek9VOyYYPyX3bhqYIsAjg7rtqGHHeGK4cJ0vj80xyCxUAnT1N9Ym/QECmwT1MQUZgxHdZNi9eXyqcd30sjvtWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:29.130421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064688
observed 32ebe4ebea9986fadb85a4f346dc69e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:29.113780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064688/manifest.json
observed 9462347422426edb238853e75c916ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:29.097228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064688/publication.md
observed 96b3870128a1efda16e30e992c561c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:29.081249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064688/publication.txt
observed cb561a1805f3060e68e4d863440e3940...
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.