OT-2026-000004884
Publication integrity record
Vacuum cup gripper, ejector fed, pressure verified, 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-2026-000004884) never changes.
Identity and time
| Publication number | OT-2026-000004884 · never reused |
|---|---|
| Internal UUID | 01a0a926-8c20-7a40-b6c0-989fe6ace5d9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:50.883086Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004884 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7d3eb3a859ca909f812cb87156990ead4cac9a13e413807d00e4afa7ec31e9cb |
|---|---|
| Markdown | b8691c1cc58c9fb81a983e826c27accadd318f5d587d1e85db40dec185af6777 |
| Publication page | eda7af072a3a7dcf41eaae12a17622da13d337f13450c97f9555ea162e1c1271 |
| Manifest | 7338bdea23deb428a126b513d771af2b3d23306375afb83e5b202067258db7c4 |
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 | TcQcu6TH8KmS7K8PK6osgLH8cOymOHFUe6nmCr2ql+KjpmqSrkhC1UScsfs0leZthnRsMzpFUZe8LRDltpX1Dw== |
| 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
| 2026-09-16T07:40:08.645132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004884observed eda7af072a3a7dcf41eaae12a17622da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:08.629028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004884/manifest.jsonobserved 7338bdea23deb428a126b513d771af2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.494034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004884/publication.mdobserved b8691c1cc58c9fb81a983e826c27acca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.481530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004884/publication.txtobserved 7d3eb3a859ca909f812cb87156990ead...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. |
|---|