OT-2026-000028833
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028833) never changes.
Identity and time
| Publication number | OT-2026-000028833 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7f18-b693-0a7f31a659b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028833 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58ef9ad11d014547fcc25b578b7323e7e70384376d9cb21bf4982fe4e7a8ebc5 |
|---|---|
| Markdown | 635d8f5dee2e9f3e079df0685b599b538c90021c927cee5e0b373fa65b2cdf8c |
| Publication page | 389d6c7c3521c09d45f6e9a5f96b7fec47113e97b811bed624ad61d6405212bb |
| Manifest | 551d45de4f1c56d5fcebdad8db26b4c17e65db58b4d07891684e504e674ec24a |
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 | 2rovNpDCdhPKKUmHmWOeXeTF5V6y652WeOH57W2OAPuty4rcjgYOu+sgJayWSIcwqcUuzvUkIoB1zXD+LEMgBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:05.991266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028833observed 389d6c7c3521c09d45f6e9a5f96b7fec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:05.970239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028833/manifest.jsonobserved 551d45de4f1c56d5fcebdad8db26b4c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:05.952695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028833/publication.mdobserved 635d8f5dee2e9f3e079df0685b599b53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:05.933869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028833/publication.txtobserved 58ef9ad11d014547fcc25b578b7323e7...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. |
|---|