OT-2026-000026544
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, 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-2026-000026544) never changes.
Identity and time
| Publication number | OT-2026-000026544 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4a9-7b37-9f0a-fb1f4c190711 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026544 |
| Status | PUBLIC |
Content hashes
| Canonical text | e0c4c3f4b3307ae805c637db81a5385607ccd08371f818f39a67963381465491 |
|---|---|
| Markdown | fd619acfa6a5e27991613f80b6cf0e606f55f147ac260497a36c9f564a312095 |
| Publication page | c0460e211782659b824fc806cdcf52ff3327a4bae46c11a69988e3bf1b2e5ff0 |
| Manifest | c919a137ccbf587c4b7f48d16ecefbb98dee39a09863890fbe6cb0a2b4d31aaf |
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 | 7I8rpDn6gVJUZY+EvVFgP1MiDsFPZvgPdiBOyzvE7/86+t4lyg5mb3uirI8xFYFPKQoNKhoSABC+2wa20vqGCg== |
| 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
| 2026-09-17T11:44:40.426791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026544observed c0460e211782659b824fc806cdcf52ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:44:40.411023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026544/manifest.jsonobserved c919a137ccbf587c4b7f48d16ecefbb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:44:40.395926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026544/publication.mdobserved fd619acfa6a5e27991613f80b6cf0e60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:44:40.379384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026544/publication.txtobserved e0c4c3f4b3307ae805c637db81a53856...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. |
|---|