OT-2026-000012874
Publication integrity record
Foam pad vacuum gripper, 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-2026-000012874) never changes.
Identity and time
| Publication number | OT-2026-000012874 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7c74-a0aa-713b79a6f0fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012874 |
| Status | PUBLIC |
Content hashes
| Canonical text | e12b52b4a52347309f62765a53c101d742d19d21337f021916b3bbe4f9eb4cf9 |
|---|---|
| Markdown | 54fa5cb5957c672662cba4406d344f2886282cc8e85b373e2daac6b92fce4265 |
| Publication page | 05295fef73862e14b816d45c4cc383f64af155cbbb4692cdfb1e4d7157119460 |
| Manifest | 3dc8a9ab26d3783c373bd0dcf411c0d69ae4a54a15c66298f1ca3361152f6a77 |
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 | qGFDgyv06/VjrOeLcX01PFlhzV4gRGT2rOMHvgBiC3HLIB0px4fGVcTigm6uNH/lWcJ96P4Y/FyKmKRdoAd2CQ== |
| 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
| 2026-09-17T12:10:39.548135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012874observed 05295fef73862e14b816d45c4cc383f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:39.530358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012874/manifest.jsonobserved 3dc8a9ab26d3783c373bd0dcf411c0d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:39.513369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012874/publication.mdobserved 54fa5cb5957c672662cba4406d344f28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:39.495595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012874/publication.txtobserved e12b52b4a52347309f62765a53c101d7...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. |
|---|