OT-2026-000003820
Publication integrity record
Vacuum cup gripper, plant vacuum fed, pressure verified, contact triggered on the face
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-2026-000003820) never changes.
Identity and time
| Publication number | OT-2026-000003820 · never reused |
|---|---|
| Internal UUID | 01a0a90b-2768-7c18-b4ba-fe0c7b6650e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:55.627006Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ffef82fa927aa2b443a580771d00f42eee2df467cd82b476f03fd3c173600b7 |
|---|---|
| Markdown | 0634f8f9da1ee29e323a46329b85238f2ebf5be9255baca42c346860771ac7be |
| Publication page | 0aef6e3d808933fd6b52a27b5befcef8db597ca0bd9999931c0b1d7fde77d382 |
| Manifest | 43bb773573626e3c940eb91dd51a67b34cefe629a65b18b615a07f398cb7f405 |
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 | 2ByYv9y9vIgPq5X+PUNCN42uEqrJ1vZ0oljNCimVrAV2cRlvrS5JX1goPpfLAVLErrUYuNhYE9gGDk6d7bH0Aw== |
| 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
| 2026-09-16T07:10:18.415148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003820observed 0aef6e3d808933fd6b52a27b5befcef8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:18.402992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003820/manifest.jsonobserved 43bb773573626e3c940eb91dd51a67b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:18.390763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003820/publication.mdobserved 0634f8f9da1ee29e323a46329b85238f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:18.377437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003820/publication.txtobserved 5ffef82fa927aa2b443a580771d00f42...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. |
|---|