OT-2026-000005504
Publication integrity record
Vacuum cup gripper, common isolation valve, pump fed, contact triggered
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-2026-000005504) never changes.
Identity and time
| Publication number | OT-2026-000005504 · never reused |
|---|---|
| Internal UUID | 01a0a93b-2f7d-7c12-9c4f-49bc5021386c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:00:23.423980Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005504 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe575b36e8cee36c1bbbe140f7de81932dc74cff314afee6bb0d5f2db8f96a47 |
|---|---|
| Markdown | e6185966de3ffea419bf0dae99ca5f6a5d0d96bfc3e5a758aaea8dc05ced95ac |
| Publication page | 803fbded6726a999e84243cf7a0d4e87c05a76f2c7dd53b6053028d2922c4536 |
| Manifest | f874897c7ba5fe8e7f74c9f52425897ef8ed2973ea67aeaf8ec79a0761892416 |
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 | 7kKjjn5NzvmGIBMAd63+RjDdS58iZskUhrAkjlcPYV9zaWMioHRi6oXmaVsA2UBd3kC5112pCkQEuvalqvkTBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:33.000250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005504observed 803fbded6726a999e84243cf7a0d4e87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:32.988551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005504/manifest.jsonobserved f874897c7ba5fe8e7f74c9f52425897e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:32.975913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005504/publication.mdobserved e6185966de3ffea419bf0dae99ca5f6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:32.960593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005504/publication.txtobserved fe575b36e8cee36c1bbbe140f7de8193...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. |
|---|