OpenTechnical

OT-2026-000048116

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000048116) never changes.

Identity and time

Publication numberOT-2026-000048116 · never reused
Internal UUID01a0ae7f-c424-7620-9966-4115497817ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048116
StatusPUBLIC

Content hashes

Canonical text1ff6a96dc76217b3b016af20c876db87d36136e178de03d61fae757119f548e3
Markdown8b42cfc8a57c3737712a75d37519b78e3a80df059fb02b31b5d566aeca8b363b
PDF
Publication page17fc0f48875d815f45fa2a4416c98c1237ecece95cac95b43fcb0cd7ed4059fe
Manifestb080de11ba9ecd0eba287af82ee4fea8581bc612d8da2ea57e41beb300aa7908

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
Signaturehoe9xd1JVtAim3EmpE6dK6Aq7DuNc1UVVY8ziOKzHIHIqnQAS/UtcObrsnm6skxOf2WHxaeU2tgqAO+IKQqhCQ==
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

2026-09-17T11:06:08.833753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048116
observed 17fc0f48875d815f45fa2a4416c98c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.814499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048116/manifest.json
observed b080de11ba9ecd0eba287af82ee4fea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.794926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048116/publication.md
observed 8b42cfc8a57c3737712a75d37519b78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.775310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048116/publication.txt
observed 1ff6a96dc76217b3b016af20c876db87...
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.