OT-2026-000028500
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000028500) never changes.
Identity and time
| Publication number | OT-2026-000028500 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-73cb-8c6c-3218fd4b404e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 73dd5ef952f08ebcb2261cb3c4961cd4fb105bd6b116340ea3915eb1e9ecf0d0 |
|---|---|
| Markdown | fed39ad425964a086429bca4833806761ac35dd2e14d9f76cf84998ef1f6deaa |
| Publication page | 4d5013bc794693618b5652809f91b4465ee0f445d4260a907f4ee4207a7d6b61 |
| Manifest | 747f2808309e3df8ba7711963e6b305da1f3799975d7a39ad11fd0bbc83d2a84 |
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 | xovAJ1pKfwbyK7kb5YTqwkZcXq+0bdqfBJuaMNU0kRLD4IW5xcaUuRzlb3ZkKoRCADLXdv1N8Dg0HcJEIcwKDQ== |
| 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
| 2026-09-17T11:40:45.745027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028500observed 4d5013bc794693618b5652809f91b446...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:45.726205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028500/manifest.jsonobserved 747f2808309e3df8ba7711963e6b305d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.706303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028500/publication.mdobserved fed39ad425964a086429bca483380676...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.685918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028500/publication.txtobserved 73dd5ef952f08ebcb2261cb3c4961cd4...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. |
|---|