OT-2026-000028763
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000028763) never changes.
Identity and time
| Publication number | OT-2026-000028763 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7733-9db1-c4c89cc79050 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028763 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0aeb5f86c116f4697b0e81209fef2865de5cda5dd75d1a2d2b0454a3e252155e |
|---|---|
| Markdown | 6c0da4df3806f3e67025c791c25954b48a90b3d572de0fc3b2a68d218d5a3c97 |
| Publication page | b9cc2a3eb07e64cde4995b41659e3472ed7172c72e285b3df65a8b1579e89d2b |
| Manifest | 159b91cf0ca3cb66b7dea9340dd91fd19f4126aa7eeba88e594df3a3830b086b |
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 | XR7lA6ib9L5uZALb1igtPPcLZ/0eBEg9zrspZsIy15NoQhEpoLFqwYVG5nTkIlEpIjZYxUkN+Z+ZtSKUzyjkDg== |
| 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
| 2026-09-17T11:39:59.020406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028763observed b9cc2a3eb07e64cde4995b41659e3472...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.005049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028763/manifest.jsonobserved 159b91cf0ca3cb66b7dea9340dd91fd1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.988107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028763/publication.mdobserved 6c0da4df3806f3e67025c791c25954b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.970065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028763/publication.txtobserved 0aeb5f86c116f4697b0e81209fef2865...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. |
|---|