OpenTechnical

OT-2026-000011548

Publication integrity record

Permanent magnet gripper, stripped after set-down

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-2026-000011548) never changes.

Identity and time

Publication numberOT-2026-000011548 · never reused
Internal UUID01a0ae6c-88ff-724d-bf84-537c895b3d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011548
StatusPUBLIC

Content hashes

Canonical text242f0779f469f3932ee3f35fcf4d888b99ada452e05e09197ec296ab053f9e2d
Markdownb6d2e67e8fae0e488cb4710b1c2442d36843591c0caaaaf2e42df266ee0d6126
PDF
Publication page7e4af7ea8b49fbed1ef8cad4df1902b7c2143e2240d6d53f23641339160c172e
Manifest2243f036a183d22704d1fe82a916515bfa75ba808f342823b2d2aa519508f7d0

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
SignatureA99Xs4EhyAiL/ZP5X7HELWE3wPmlQbWSqOQc4l8K9MhYmuKK/uOWF0pMrTMkAAbN3uiTwPgyG8eoNae2XOQZDA==
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

2026-09-17T12:13:26.596579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011548
observed 7e4af7ea8b49fbed1ef8cad4df1902b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.575847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011548/manifest.json
observed 2243f036a183d22704d1fe82a916515b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.555563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011548/publication.md
observed b6d2e67e8fae0e488cb4710b1c2442d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.537603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011548/publication.txt
observed 242f0779f469f3932ee3f35fcf4d888b...
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.