OT-2026-000004539
Publication integrity record
Vacuum cup gripper, common isolation valve, three 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-2026-000004539) never changes.
Identity and time
| Publication number | OT-2026-000004539 · never reused |
|---|---|
| Internal UUID | 01a0a91b-5212-75ab-83fa-3621e4352282 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:35.125166Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004539 |
| Status | PUBLIC |
Content hashes
| Canonical text | 388e7e5e952942cd2dd789f145e8f3c79a4f6d87d8665b3e539f7e9810aabc5d |
|---|---|
| Markdown | a51cf43d195ae530234c655af705cd3c2d74e9d8eadecce7b3b3e6c959f74f85 |
| Publication page | 0d06767ecd3dabd8a06e92f70c894789383bccdd84d7df72efb22f056824d459 |
| Manifest | 16f5ecca6101a6c2a6ccbf5397fbb02e7a590046da1a7d007af9434198d9c9e2 |
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 | LHMviF6Gp20z47uAjWdTcggdrR+xta6ERiP/1ikU++1lkGy2QOQPf6o2C23+Rc4+S+Lmze7LOxQod/hSk1elBw== |
| 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
| 2026-09-16T07:30:16.932023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004539observed 0d06767ecd3dabd8a06e92f70c894789...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:16.920329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004539/manifest.jsonobserved 16f5ecca6101a6c2a6ccbf5397fbb02e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.905029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004539/publication.mdobserved a51cf43d195ae530234c655af705cd3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.892768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004539/publication.txtobserved 388e7e5e952942cd2dd789f145e8f3c7...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. |
|---|