OpenTechnical

OT-2026-000010901

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, vented 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-2026-000010901) never changes.

Identity and time

Publication numberOT-2026-000010901 · never reused
Internal UUID01a0ae6c-540d-74a8-b1fa-c59a4643e8ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010901
StatusPUBLIC

Content hashes

Canonical text53c61493b206e7884bd4bed29a3ee23b21c365b97ede9f57ae86cdb4e3e6dd48
Markdown5705dca9cbe862ec8c552cce074fbbf47b9a0e498b19b411b4704f4ebeb9bcc4
PDF
Publication pagef21c187dcaaa2a6496912cafcf12d6faf788c2e108f69c6ea6b415ec8d2f46c5
Manifestb31e3813483a2eeec35c95b19d7ff307d838ea484d3935fcfbadeb2f4cd3df71

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
SignaturenJgZwdyjXMLO/R+e4lR/ZsyQVJVL79tjuqI4ALQpa+ZHbsvQ897ZWe0Gse3lh/5uPTeDypS5W/6A7zL6450mDQ==
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

2026-09-17T12:13:40.391284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010901
observed f21c187dcaaa2a6496912cafcf12d6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.372862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010901/manifest.json
observed b31e3813483a2eeec35c95b19d7ff307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.352799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010901/publication.md
observed 5705dca9cbe862ec8c552cce074fbbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.333556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010901/publication.txt
observed 53c61493b206e7884bd4bed29a3ee23b...
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.