OT-2026-000004600
Publication integrity record
Vacuum cup gripper, four zone face, ejector fed, pressure verified, silicone cups, flat form
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-2026-000004600) never changes.
Identity and time
| Publication number | OT-2026-000004600 · never reused |
|---|---|
| Internal UUID | 01a0a91d-53ec-750f-a7e5-8d75fb87418e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:46.670589Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004600 |
| Status | PUBLIC |
Content hashes
| Canonical text | d1e15e686fa637b7577100b026ba7b5b9206d46d80f1b07192d35256b7bad502 |
|---|---|
| Markdown | 088d791d9160779f4abbdf2a5572fdad8f69f24342a5acd43ac56e4ca54a9241 |
| Publication page | ab59380eff8fef1e34d28dfaa387dc197f658b45d3433bcd2a64d1c25c49c453 |
| Manifest | b64f9efb6b041fe313a8e4b2fce964f0e2515776afb11b9a7f02cda101b66b7c |
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 | lci1VjTqGkUj0MqIXzt63eeyxbIJueCbETALoCTH4iZ4M78gRWEsJ4xujIPa30G5fN8AI4WaYMqqtITIOqnvDg== |
| 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
| 2026-09-16T07:30:10.490397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004600observed ab59380eff8fef1e34d28dfaa387dc19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:10.475595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004600/manifest.jsonobserved b64f9efb6b041fe313a8e4b2fce964f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.458514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004600/publication.mdobserved 088d791d9160779f4abbdf2a5572fdad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.441047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004600/publication.txtobserved d1e15e686fa637b7577100b026ba7b5b...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. |
|---|