OT-2026-000028546
Publication integrity record
Three pad foam vacuum gripper, three 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-2026-000028546) never changes.
Identity and time
| Publication number | OT-2026-000028546 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-770e-943e-e0a6d02f31f5 · 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-2026-000028546 |
| Status | PUBLIC |
Content hashes
| Canonical text | c7f3e505f131da9daf0dae9cfcdd1358dad2897f95c08a6cd9f937f6bfd04d2f |
|---|---|
| Markdown | 7a3d60eb48b36c11e67ca80e2a2edff35c9c5e3a4d478771e1a7ca49125bbc14 |
| Publication page | 47e6272372c0047ae66a800ab9e4653133b9d8713ed02779acb542ae0973eb62 |
| Manifest | 7892d23f3926667a2255a0c5ecb7cbabfc34648aff1971d0da0453e729b11979 |
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 | orUyWCabZ2x1TI9GlMsx7CmjLikNQvgAjEMmPSPkK4YiMVjhDTLN4YIbm+tKl8liOB61wMCUK960XQfWCk32BA== |
| 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
| 2026-09-17T11:40:49.630363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028546observed 47e6272372c0047ae66a800ab9e46531...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:49.613395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028546/manifest.jsonobserved 7892d23f3926667a2255a0c5ecb7cbab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.593847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028546/publication.mdobserved 7a3d60eb48b36c11e67ca80e2a2edff3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.575890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028546/publication.txtobserved c7f3e505f131da9daf0dae9cfcdd1358...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. |
|---|