OpenTechnical

OT-2026-000046587

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046587) never changes.

Identity and time

Publication numberOT-2026-000046587 · never reused
Internal UUID01a0ae7e-57de-721d-90af-e94fa54f022d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046587
StatusPUBLIC

Content hashes

Canonical text9ae4f6f736d8701606e342ec214f02d5f91b475be676210a08b89921ec7f82f3
Markdown5ad533fc40a8424f64ca05ecbf46d28ec1f6ad64d435793f0da3f4224844653f
PDF
Publication pageced7231d0cd50b017571e43a7244098c55bce090f8d4d1a7049a45d83b19d988
Manifested3f26b3dc18cef82e6e20d12c5c3fe802dc47e06e402d75b0c4caec8a7ecd3f

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
Signature41qwCguDMlFrhzIQMZmLGSOxvmD9YigabizN9pxQdT4neRHqI9ZCXKMZDrPzd8+7EvLQSaZNPHaMOz+mpHbhCA==
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

2026-09-17T11:08:39.616865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046587
observed ced7231d0cd50b017571e43a7244098c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.598764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046587/manifest.json
observed ed3f26b3dc18cef82e6e20d12c5c3fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.581330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046587/publication.md
observed 5ad533fc40a8424f64ca05ecbf46d28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.561974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046587/publication.txt
observed 9ae4f6f736d8701606e342ec214f02d5...
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.