OT-2026-000004227
Publication integrity record
Vacuum cup gripper, two zone face, four outlet manifold, plant vacuum fed, pressure verified
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-2026-000004227) never changes.
Identity and time
| Publication number | OT-2026-000004227 · never reused |
|---|---|
| Internal UUID | 01a0a911-ce16-7b47-bfd7-330cc68d39c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:11.515574Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004227 |
| Status | PUBLIC |
Content hashes
| Canonical text | a799575107a95c45b6e47b0b719b763ee3b2252ab706542a479ecec4c1961ba5 |
|---|---|
| Markdown | 768aef2a4d80f4faedbfe08ce6cae7e10f258343ae5314da78b3751c83824cc2 |
| Publication page | 27215dab5f0c4c3ed78f6af84405e5665de996ee9659f953673ab08637a9d2ac |
| Manifest | 19db558238e69bf40fe1ede542d8f98cf1872c66d29642ecf255aebecb7c8d0a |
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 | 2jcC28EwuGi0RhJgxNDsiMZlon01Qql6IqvHBFXRiWX5wvqAFJFcvCz/fgzTDUGIxOx7zV024d0Q4mXxAwsnBA== |
| 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
| 2026-09-16T07:20:21.736726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004227observed 27215dab5f0c4c3ed78f6af84405e566...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:21.723472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004227/manifest.jsonobserved 19db558238e69bf40fe1ede542d8f98c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.709715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004227/publication.mdobserved 768aef2a4d80f4faedbfe08ce6cae7e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.696164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004227/publication.txtobserved a799575107a95c45b6e47b0b719b763e...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. |
|---|