OT-2026-000042613
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer
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-2026-000042613) never changes.
Identity and time
| Publication number | OT-2026-000042613 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0ce-72ff-bdcb-cf9595986945 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042613 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28d0904abea2ad3f6a255c39f8343fae146fc3c7c7575f6a1547d27d0af8636c |
|---|---|
| Markdown | dad22d86ea36e20a3850870e15fed5d506b30edbda8afb94004b14f89cae4977 |
| Publication page | 74d71483d5a2b85e7ee6a4a712330c3c2292a32f4070f1964f8e4cb5cca7c225 |
| Manifest | d597a34b9dd51794667ce3028372ab1048d6b7835d8f36f4a26ddf160614188a |
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 | 0ks9UwwvGgysKpuRmARLvEijogAjC+I9gVA60rGAX3JrlA1q7r1XkNISvauN1nk7DEgCROKJBbEyjKPfep4NBg== |
| 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
| 2026-09-17T11:14:20.499959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042613observed 74d71483d5a2b85e7ee6a4a712330c3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:20.482604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042613/manifest.jsonobserved d597a34b9dd51794667ce3028372ab10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:20.462817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042613/publication.mdobserved dad22d86ea36e20a3850870e15fed5d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:20.443164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042613/publication.txtobserved 28d0904abea2ad3f6a255c39f8343fae...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. |
|---|