OT-2026-000042820
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, pulsed 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-2026-000042820) never changes.
Identity and time
| Publication number | OT-2026-000042820 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-7a30-a936-394a6c6805ee · 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-2026-000042820 |
| Status | PUBLIC |
Content hashes
| Canonical text | c8f4f324f1729f2a647cdd705db78f2199972e55fcbe86d6df99df86dc726b63 |
|---|---|
| Markdown | 9d0e1ce78fd8c71a5b3c03f7bd5b3762a47636e4214da16527a27c038af18eae |
| Publication page | f2689c989c9bfd9cb4e8532e682312a900d8da61a93c601dd43b0bc0ddc50b19 |
| Manifest | 42e4a7f096942bfd5edbf8757632405d78fac109ff9b721bb82f2b613460a53d |
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 | EVC2WBF2BaUZDugfM0f0JsalKlKmOAoGlIn08zUVaLum6PxQ71WFEF3VR5HxS4gTgZ91JEB0dWO0CRm3xdMOBQ== |
| 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
| 2026-09-17T11:15:17.929408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042820observed f2689c989c9bfd9cb4e8532e682312a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:17.911930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042820/manifest.jsonobserved 42e4a7f096942bfd5edbf8757632405d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:17.894033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042820/publication.mdobserved 9d0e1ce78fd8c71a5b3c03f7bd5b3762...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:17.874224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042820/publication.txtobserved c8f4f324f1729f2a647cdd705db78f21...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. |
|---|