OT-2026-000004752
Publication integrity record
Magnetic end effector, contact triggered on the face, electromagnet
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-2026-000004752) never changes.
Identity and time
| Publication number | OT-2026-000004752 · never reused |
|---|---|
| Internal UUID | 01a0a922-3ca8-711c-9df4-db2f2f94de3a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:08.395366Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004752 |
| Status | PUBLIC |
Content hashes
| Canonical text | b5f301ff660fe4e305ae997f896344b6e41d7a8c112ffc5c0a56846a1baa3b3f |
|---|---|
| Markdown | 1ad4d7d2a899d148f2b017552f60f2de960f2f91dd117a2364911e2504da2e62 |
| Publication page | 59e8490cc84c75562991bc2ae3a52b99b0d58d85eabe2ebab6c6f74445b9a3e9 |
| Manifest | f2b83baca8af6f458ff7ae5a33acb43168edde67564e639823e08125e53b5d25 |
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 | mG3o1q54Yzz4+ZvYEz+/i1bR2NCvnYgfjSU7Iu6JzzfBmrayJIqKqjAxgC61b8JZBQF8mRzK6Vb+GiNs9k1tBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:22.734946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004752observed 59e8490cc84c75562991bc2ae3a52b99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:22.721239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004752/manifest.jsonobserved f2b83baca8af6f458ff7ae5a33acb431...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.707969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004752/publication.mdobserved 1ad4d7d2a899d148f2b017552f60f2de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.693502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004752/publication.txtobserved b5f301ff660fe4e305ae997f896344b6...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. |
|---|