OT-2026-000004954
Publication integrity record
Vacuum cup gripper, ejector fed, contact triggered, pulsed blow off after set down, silicone cups
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-2026-000004954) never changes.
Identity and time
| Publication number | OT-2026-000004954 · never reused |
|---|---|
| Internal UUID | 01a0a929-063b-7dec-9ddf-e9e2247f59d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:33.214055Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004954 |
| Status | PUBLIC |
Content hashes
| Canonical text | 452f6c52ee2a9aba77eca0d04d6418606c07fe80b28199c12a4203abd8cc6fa1 |
|---|---|
| Markdown | 4fef12128228bf9f1076d38b2251c282ec09ef7000d59e8251c5e9e710f5973f |
| Publication page | 427b6f57272ddea502940bdee2389c2f35e572180e43a7a3ef58072109e82129 |
| Manifest | 2a8d7cd4fa6b71585f4fd123fbdc55b81cd8049e4a7ab02f3ca4e9b4438299ff |
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 | 84BFFRJ3FmLrdVH18b/UzQmJ8eJt7I9cLySh3Zm5cr7iAKlTkIxKDFy9yOLfzkHCwWN9coNNiroQbZ6iJQxmBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:31.445103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004954observed 427b6f57272ddea502940bdee2389c2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:31.434230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004954/manifest.jsonobserved 2a8d7cd4fa6b71585f4fd123fbdc55b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.421119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004954/publication.mdobserved 4fef12128228bf9f1076d38b2251c282...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.406802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004954/publication.txtobserved 452f6c52ee2a9aba77eca0d04d641860...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. |
|---|