OT-2026-000004028
Publication integrity record
Bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pressure verified at each zone
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-2026-000004028) never changes.
Identity and time
| Publication number | OT-2026-000004028 · never reused |
|---|---|
| Internal UUID | 01a0a90c-efd7-727b-99a9-6dae0a5612ba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:52.473755Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004028 |
| Status | PUBLIC |
Content hashes
| Canonical text | baf3a485416d014ec7c30d6bc426e761b070022fa57e5b6a765c1aa4cb0c8761 |
|---|---|
| Markdown | e0a8d76729bf1fb5a5f7fe3456b05ec4f747bf194ddf3398e850da4c20d988dc |
| Publication page | 5ed8d36cd390327d26203c179d659da53c22912e868c08006599ed7948648c8d |
| Manifest | dd261b041f1464beeaa7b49d73fd3e52892d19cac34abfb1c3e91fd6a350295f |
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 | nOkGKEQT2d8QZoBrG77vT1lzht+/4Q28k8REkkFUIhsfsNs650m331tjJBlexmwBk8bfVezhxVA84ts6AWIxDg== |
| 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
| 2026-09-16T07:10:05.334013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004028observed 5ed8d36cd390327d26203c179d659da5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:05.319795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004028/manifest.jsonobserved dd261b041f1464beeaa7b49d73fd3e52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.304814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004028/publication.mdobserved e0a8d76729bf1fb5a5f7fe3456b05ec4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.290496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004028/publication.txtobserved baf3a485416d014ec7c30d6bc426e761...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. |
|---|