OT-2026-000089726
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000089726) never changes.
Identity and time
| Publication number | OT-2026-000089726 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-1a22-7332-bd6b-71dfd6396402 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:21.039513Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089726 |
| Status | PUBLIC |
Content hashes
| Canonical text | a781c464a89f371d5e69b02db02e90d8ed4dc28ecbc0a4f4c8d46f017ca5ed99 |
|---|---|
| Markdown | 396c9bf05e4dc247c440204ad1499ae47087e1f9ab8dae321006ab3328cc2769 |
| Publication page | 612c73eb30403cfead78c57cc1524d0e83025e8f856fe760752849edfc629b56 |
| Manifest | c97af3c955f1ab8d62b3496cc20e1bec85ccbc7205a7b8ccafdf94c42e0a0f7d |
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 | PpZHk6zP4IpP5cv4Mr7QzXwmEhyXs98f1RaODlFAwJXeV/lXC3k2YyHmwN9qgtvMmC9oKr23EvTPP2YwjjL7CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:46:24.905715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089726observed 612c73eb30403cfead78c57cc1524d0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:24.889870Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089726/manifest.jsonobserved c97af3c955f1ab8d62b3496cc20e1bec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:24.873548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089726/publication.mdobserved 396c9bf05e4dc247c440204ad1499ae4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:24.851004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089726/publication.txtobserved a781c464a89f371d5e69b02db02e90d8...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. |
|---|