OT-2026-000010520
Publication integrity record
Electromagnet 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-2026-000010520) never changes.
Identity and time
| Publication number | OT-2026-000010520 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-0ee7-7dd5-aa14-18a491710ec4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:11:52.445886Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000010520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9759f5f0b20022890a06224564705acfd68061f20598ce7268c944bd76bd9ee5 |
|---|---|
| Markdown | 524421fd22271fa0527daa9188e9781d25da5192776f0424c0398b10c2fd3a32 |
| Publication page | 7a44fcecb2193207946c50a34a7eb97f781c163955adf96bfcd9ae9ccfba89a2 |
| Manifest | b9fd01f58229d0b7246bdc095c810eb644203852719e77eb1cdf96f92779dbf2 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | ax2TXX1srLkUPKs4EaHVnuF2H4qy2sxVsYUjU79kbB+sJwwn60kCIrNP+z+frQ1BXV+q/jCk7lqrLm/oeSjZBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:14:40.765476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010520observed 7a44fcecb2193207946c50a34a7eb97f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:14:40.747168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010520/manifest.jsonobserved b9fd01f58229d0b7246bdc095c810eb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:14:40.729428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010520/publication.mdobserved 524421fd22271fa0527daa9188e9781d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:14:40.709786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010520/publication.txtobserved 9759f5f0b20022890a06224564705acf...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|