OT-2026-000004210
Publication integrity record
Vacuum cup gripper, three stage ejector, pressure verified at each zone, contact triggered, silicone cups
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-2026-000004210) never changes.
Identity and time
| Publication number | OT-2026-000004210 · never reused |
|---|---|
| Internal UUID | 01a0a911-7524-7f9c-873f-f30ba9a0b055 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:48.743305Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004210 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4da40f7b9b18221eec7980ba420e05d819c842576c055b695b7e813341e7de80 |
|---|---|
| Markdown | 0d02ef2c22800613b8d7cbdaa584a97585cb9b2aaabf30f05412bbf7ead6e05b |
| Publication page | 2f78ad55d48f3dafffaf6b525e81839757e709770e63c6d927aefc3de34cd2ba |
| Manifest | 10c08067095f80f36920eb7ae09fe40dd6af1769d440dbc9ed15a1a5bba413c2 |
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 | leR3brsUy9LOOWxcJL41Hk64EXQ86jzc3KQ19H8cHfLzkTmeAPLr7UV7pyeMGGtQBFumbwmHdzl5uyWRG/sOBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:23.684688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004210observed 2f78ad55d48f3dafffaf6b525e818397...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:23.671248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004210/manifest.jsonobserved 10c08067095f80f36920eb7ae09fe40d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.657122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004210/publication.mdobserved 0d02ef2c22800613b8d7cbdaa584a975...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.643431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004210/publication.txtobserved 4da40f7b9b18221eec7980ba420e05d8...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. |
|---|