OpenTechnical

OT-2026-000068524

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000068524) never changes.

Identity and time

Publication numberOT-2026-000068524 · never reused
Internal UUID01a0ae90-2482-72be-b414-36419b08f506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068524
StatusPUBLIC

Content hashes

Canonical textd27a3a59d6fbbb4d8f7ab3498aef356173b326e068744f73ef93ca303c0a586d
Markdowna3a6e08c0d7801f4780a5bcddb93cbc26854c5fa2dd0fb804070e00534e7e324
PDF
Publication page61cee405a17713a011da6ddd563ff34c2f3b63efd8c89fd9525c4688b7bc50b6
Manifest3f31c82af693393b8a95aed73e6cf86c2263730947f8e25f0f1e723573954c9e

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
SignaturerJ+bq6jbZ2XQk3xg8ZsEbgAI/SOwnlrYJvYe8SCOTKpm0OMJQsBaF7o3zc32kU2f22s+bdKZCf8J61HrwzyABw==
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

2026-09-17T10:29:41.083073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068524
observed 61cee405a17713a011da6ddd563ff34c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.066520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068524/manifest.json
observed 3f31c82af693393b8a95aed73e6cf86c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.050249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068524/publication.md
observed a3a6e08c0d7801f4780a5bcddb93cbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.032111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068524/publication.txt
observed d27a3a59d6fbbb4d8f7ab3498aef3561...
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.