OT-2026-000003880
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, three stage ejector
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-2026-000003880) never changes.
Identity and time
| Publication number | OT-2026-000003880 · never reused |
|---|---|
| Internal UUID | 01a0a90b-56ec-7d83-81e4-aafc8e8ac1a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:07.791586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003880 |
| Status | PUBLIC |
Content hashes
| Canonical text | 888f229239213f76aa49d607500674b01c7290c5140ff38691666e951eaa25bc |
|---|---|
| Markdown | d7521d0d7af5cf9ec4979c38710e1facf031f8c5ffb11e51ba5f6ef54f4b14ec |
| Publication page | 5f6b00b4f96bb4ca07d11debc77f929d873fedbaad1f2b602db82f98dbdb28d2 |
| Manifest | 711f5d114bf1130dec8932c84484bd2764691ceb3516c4450ec6519d0defea43 |
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 | 58VqpQ/EaTAEUYk+9X2dPf4Inj4DlwYEH/gr/s4wFXYZglJfpzvw6toZSxHRWl30SxeFfiFmahVbWcPvakvMDw== |
| 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
| 2026-09-16T07:10:14.728361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003880observed 5f6b00b4f96bb4ca07d11debc77f929d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:14.711461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003880/manifest.jsonobserved 711f5d114bf1130dec8932c84484bd27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:14.696085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003880/publication.mdobserved d7521d0d7af5cf9ec4979c38710e1fac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:14.680565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003880/publication.txtobserved 888f229239213f76aa49d607500674b0...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. |
|---|