OpenTechnical

OT-2026-000064031

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000064031) never changes.

Identity and time

Publication numberOT-2026-000064031 · never reused
Internal UUID01a0ae8d-53bd-7374-bdc7-f66868b9987e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064031
StatusPUBLIC

Content hashes

Canonical textdb283ccce7bec2e52e65a974aa0b9acea89f0e5ed401f948d6be0c26ddbe77b8
Markdownf5292b7bd607b65abb5427ff6d300730b964cb9040a4b895c46047f6a43dba67
PDF
Publication pagede20939aedc671970ee1099463205e7dbe4d6f64963ec734516d5c32dda47adf
Manifest500fc0d5c01a8f064235566628a2629316a488f3979887dd8620c7c1251e7036

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
SignaturegLbCmY7WxwkAf8cwrBldHkqOMSk1sTIo/mkL9TaSSwfgAwwm9fr9Vw2NpMKaGBGMjcPBKQ52kord494PiqwuAw==
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

2026-09-17T10:37:07.040125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064031
observed de20939aedc671970ee1099463205e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.021670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064031/manifest.json
observed 500fc0d5c01a8f064235566628a26293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.996725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064031/publication.md
observed f5292b7bd607b65abb5427ff6d300730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.970909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064031/publication.txt
observed db283ccce7bec2e52e65a974aa0b9ace...
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.