OT-2026-000020975
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed 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-2026-000020975) never changes.
Identity and time
| Publication number | OT-2026-000020975 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7c6b-81cb-c2b52debe3f6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020975 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8d6ae632ac06f65420ebe21719d621acd8b6c297f78a161b98de2516e4a7d98 |
|---|---|
| Markdown | 434cd8ebe31106ce3a9bcb8eda14238b55782dd06b3c20005d076e89239d4ce2 |
| Publication page | b4cfafe4999f5e2c01ebc9ff25635230b4d1b2f9ddbedee03248f95a473207b1 |
| Manifest | d8dcb8c3a5a4988de5246da9a6a2b3d325460b327300000dd2a8403b975d6990 |
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 | /tCgRdF+vDwjkk4z0tMYyky+uvAiBZnX5oeB8Ws/ipGMSUstNVOrJd2jspg71ltJpKAkqnu7q/uw6Ui1DEYyDA== |
| 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
| 2026-09-17T11:56:07.234935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020975observed b4cfafe4999f5e2c01ebc9ff25635230...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:07.217169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020975/manifest.jsonobserved d8dcb8c3a5a4988de5246da9a6a2b3d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:07.200397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020975/publication.mdobserved 434cd8ebe31106ce3a9bcb8eda14238b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:07.182443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020975/publication.txtobserved d8d6ae632ac06f65420ebe21719d621a...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. |
|---|