OT-2026-000028469
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000028469) never changes.
Identity and time
| Publication number | OT-2026-000028469 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-769e-af9a-c2da35e2d6f1 · 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-2026-000028469 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4cda880ccfd4d412303985908edd4d486e2e6a760387ac85e8730c4f31921f24 |
|---|---|
| Markdown | 82ceef0f2f86cd49f442e37ca5897ed8f2396dca8c91d556b2515a2f4a93fca0 |
| Publication page | 2b8ce65fded9a911e6e2b2ecb11dba7a654466d5e44b060f11801829b70b17de |
| Manifest | 3251f24d7b46db07e854031295f16d23e233b29a7003e8def69d6a6057fe9005 |
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 | Ru7xwuiz+8PSKqon/M+Eca14GDGEJsZlhlfJI4SsP1cB3FTUsg569iPLAcs/uwr93LmhcedDQDUoYElHkrGZCg== |
| 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
| 2026-09-17T11:40:36.762082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028469observed 2b8ce65fded9a911e6e2b2ecb11dba7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:36.744223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028469/manifest.jsonobserved 3251f24d7b46db07e854031295f16d23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.727335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028469/publication.mdobserved 82ceef0f2f86cd49f442e37ca5897ed8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.710006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028469/publication.txtobserved 4cda880ccfd4d412303985908edd4d48...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. |
|---|