OpenTechnical

OT-2026-000011702

Publication integrity record

Three finger electric gripper, 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-2026-000011702) never changes.

Identity and time

Publication numberOT-2026-000011702 · never reused
Internal UUID01a0ae6d-1940-78ef-9e88-1d5047b9c616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011702
StatusPUBLIC

Content hashes

Canonical text4945bb6e43c0161ba8e468a1da3bd2187266f077614fa5b713d6225a690f98c0
Markdown50a76db58d3e988fa33e0ad7ab41ccd9facbb42f23dc0779ed40ba1a959486b2
PDF
Publication pagecee326d7e94e9c9b65842699429faab39d8b1ec7ed1c92ffd1754972b9a3ab8f
Manifestf0881a3145d4688cf865d01e28f2c8c5dc86848cfa24e0eea4b70b158f423199

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
Signature7CHxfMdxpSeTp6JCfGrcHS/Bavu83e96b32LnzU1gkX6EKPeVTm0seSM928N1gV2u8IFDeRKvvh0AORV2CvoAw==
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

2026-09-17T12:12:18.574663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011702
observed cee326d7e94e9c9b65842699429faab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.555370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011702/manifest.json
observed f0881a3145d4688cf865d01e28f2c8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.536238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011702/publication.md
observed 50a76db58d3e988fa33e0ad7ab41ccd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.515914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011702/publication.txt
observed 4945bb6e43c0161ba8e468a1da3bd218...
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.