OT-2026-000028356
Publication integrity record
Single bellows cup vacuum gripper, three 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-2026-000028356) never changes.
Identity and time
| Publication number | OT-2026-000028356 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-70b3-9219-78077c2db2eb · 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-2026-000028356 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97d6c37f3ad3204008216c7bc09252fad0a3045927729e1a07254ffba2918ed6 |
|---|---|
| Markdown | 72a2b20c3a1f8dfe8460958d53d8b79d308646a6517c4acedfcd0661f695bf21 |
| Publication page | 92a2368394225074ed4f0a661c425ed8979aea4d6546659207d85089c1ce3587 |
| Manifest | 0826ada7019ef8082f92ec1803324f8ce116c4d101e9fb303e07a5bcb171a734 |
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 | 6fhOsh5PZosOBLJq4ZFBEwUrfyLUwDvp/cfYy0+TGWFGTu2rg+x9p7pe7iNzIz7vIIOxBJvfinFRIs7SL/HJAw== |
| 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
| 2026-09-17T11:40:22.042827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028356observed 92a2368394225074ed4f0a661c425ed8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:22.027246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028356/manifest.jsonobserved 0826ada7019ef8082f92ec1803324f8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:22.008056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028356/publication.mdobserved 72a2b20c3a1f8dfe8460958d53d8b79d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.987598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028356/publication.txtobserved 97d6c37f3ad3204008216c7bc09252fa...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. |
|---|