OT-2026-000013838
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000013838) never changes.
Identity and time
| Publication number | OT-2026-000013838 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7404-b7cf-a7c6532dc32a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013838 |
| Status | PUBLIC |
Content hashes
| Canonical text | ec37d48cc3c50c13ffd1e0bceeea1664331a1f5d5908f2ec98407b75161d127f |
|---|---|
| Markdown | b625f8269486a40f27c43c85789b31454e412b40c1fc6a170a21d9dfd7f7366a |
| Publication page | c5d1e6156f0b820e8c301e7fc56e1b66b1330522b0dcded4f176e6d708f27655 |
| Manifest | e40a7792a4226b050458cf2987adfd7c06519d21bcec060b7a160c9f444676cb |
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 | +i6ZBcq5fMl4Iygy5AwCe3IzJ+gOROTtx4gqFUGkJ3p9JscDaB10S4efY7SM8Nx45V2pEvdnjhuFNpqdqPprBw== |
| 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
| 2026-09-17T12:08:56.545145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013838observed c5d1e6156f0b820e8c301e7fc56e1b66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:56.527705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013838/manifest.jsonobserved e40a7792a4226b050458cf2987adfd7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:56.509749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013838/publication.mdobserved b625f8269486a40f27c43c85789b3145...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:56.491675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013838/publication.txtobserved ec37d48cc3c50c13ffd1e0bceeea1664...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. |
|---|