OpenTechnical

OT-2026-000006951

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, ejector fed, contact triggered, rubber cups

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-2026-000006951) never changes.

Identity and time

Publication numberOT-2026-000006951 · never reused
Internal UUID01a0a96d-6ad0-7795-b5d3-487f8ceb51b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:15.411238Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006951
StatusPUBLIC

Content hashes

Canonical text94fc282916452a25319e8aaf08c96ddf4650e9ccb972c94bd396b4c56ff0373d
Markdown685b72b46553a7bf8eb954403d36292491942187a3a4e73eacd7e61605694694
PDF
Publication page9b579a176e4c8235aec6ed01538d234a59ede5b5bc94fc748ff6fd8a545211c0
Manifest98dfe1a218b86224cda4cf402ecd29fd2b8e428c2e6280917d37acc0db92090f

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
Signatureeu1qyJy6uo1lfxPPmZ878TJxg3YMF9o6OoyrsxQybF3kMOR7P589t9SQAVkK0HyBMvUNlfKHm0bnT+PbwDQUDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:18.475486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006951
observed 9b579a176e4c8235aec6ed01538d234a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.462808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006951/manifest.json
observed 98dfe1a218b86224cda4cf402ecd29fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.449598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006951/publication.md
observed 685b72b46553a7bf8eb954403d362924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.437304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006951/publication.txt
observed 94fc282916452a25319e8aaf08c96ddf...
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.