OT-2026-000028476
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000028476) never changes.
Identity and time
| Publication number | OT-2026-000028476 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-79ca-906d-a3de8c0e8ac6 · 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-2026-000028476 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab09073bf0fae81712390d5b62c7360cdcaf6631f044756decb59e4e068ade32 |
|---|---|
| Markdown | e45f83788a5d845c0615abc265be9a733acbb5d5f119289bdd4d0db111e0c2d6 |
| Publication page | c66022f354a4c1e59d87404abdccb470e708772ec7a6cc4cbcb9ab8ae1fbff07 |
| Manifest | 4e784901c5f6cbfa9c672c91e60ba0501f32e73599a8a5f4bd18062e0ff5dfda |
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 | LjxvFEgur75U1Q9cPUaZeDS3QOmI3lYSH2oXK+k1tAm2CXJpMWqp7I/oLFocqxqVZfUSLOHc6R7CxeFogDmYCQ== |
| 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
| 2026-09-17T11:40:37.369301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028476observed c66022f354a4c1e59d87404abdccb470...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.348153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028476/manifest.jsonobserved 4e784901c5f6cbfa9c672c91e60ba050...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.328877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028476/publication.mdobserved e45f83788a5d845c0615abc265be9a73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.310488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028476/publication.txtobserved ab09073bf0fae81712390d5b62c7360c...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. |
|---|