OT-2026-000019227
Publication integrity record
Two cup vacuum gripper, two zone face, two 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-2026-000019227) never changes.
Identity and time
| Publication number | OT-2026-000019227 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-72be-82a1-728230356888 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019227 |
| Status | PUBLIC |
Content hashes
| Canonical text | ddcf37adf81fa2ced3ebad5dbe4ffe64150b1329b26e70476f1aa337f18e45b4 |
|---|---|
| Markdown | 8f0f827afd3fb43e6e0454d920c370c1c32fefc077ba692d871327459bc94bf7 |
| Publication page | 645b94442ad4281efaaa05683f2d30b0bd3a51abc44bdeffd35f810efc7469f5 |
| Manifest | a56f95283f8b4e8fd2073e3829036a0bb414d83ea7230829c52db4946a17644c |
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 | 1uYvapKdGaEQwYwilwbUffkQcrOuon5AKTB9Urdf4Eh/iVC9T1Qhgcrnw71LFWxX66eVKgGI/oTrH50MCjwtAw== |
| 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
| 2026-09-17T11:58:33.191169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019227observed 645b94442ad4281efaaa05683f2d30b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:33.173884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019227/manifest.jsonobserved a56f95283f8b4e8fd2073e3829036a0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:33.156338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019227/publication.mdobserved 8f0f827afd3fb43e6e0454d920c370c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:33.137205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019227/publication.txtobserved ddcf37adf81fa2ced3ebad5dbe4ffe64...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. |
|---|