OT-2026-000021409
Publication integrity record
Single cup vacuum gripper, single stage ejector, sustained blow-off before set-down
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-2026-000021409) never changes.
Identity and time
| Publication number | OT-2026-000021409 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-721f-9725-73f3e8e432f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021409 |
| Status | PUBLIC |
Content hashes
| Canonical text | cda7c2e90430db4f598c7357327462c7ee18c922de82e8d3bcbb758246e84673 |
|---|---|
| Markdown | 78c4ca0df4aa7d55b9a4ea54a8365a1674cf9510812b4cb1f721bc947fae9057 |
| Publication page | 9c3b696a28d9cd3aaca045f4d8674d5351257d29bd1342e1ff2ad665f29cab12 |
| Manifest | 51ccaa36ced1be9febf694ead15b077e829f18fb6fa6348847f4c54d3a8c7737 |
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 | ugOsuzKJrfJfpD0T1yQmzeFzkILQBlzCx/11ukN8EYjiAjT4axisFJXbf/rntR5yFKWdpj5s8xqC7XrWtbm9BA== |
| 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
| 2026-09-17T11:54:49.532508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021409observed 9c3b696a28d9cd3aaca045f4d8674d53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:49.514197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021409/manifest.jsonobserved 51ccaa36ced1be9febf694ead15b077e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.483113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021409/publication.mdobserved 78c4ca0df4aa7d55b9a4ea54a8365a16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.445137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021409/publication.txtobserved cda7c2e90430db4f598c7357327462c7...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. |
|---|