OT-2026-000021750
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, 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-2026-000021750) never changes.
Identity and time
| Publication number | OT-2026-000021750 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-78a6-aca6-d56c3e718209 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021750 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e6df87d9bad19183f51f0d87782adc17b927f90a7927c0b2dfc196c04f79e13 |
|---|---|
| Markdown | 33a131525230c363685f864a663c7f078077285523a4943b6bcac8e18085bbb4 |
| Publication page | 099df61b586dff71fcb048dec26bda46348a7bfa831dcf4ab7f2c4f69b1a6878 |
| Manifest | d8f42bd4cfad542648f32ef54293f444bacf154e6bd790eb2c6e0f1f518c3669 |
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 | /aoD2EIoEZC7wL16/r3zx2yOGADbvOVdQ2Fr7KIzWmn8wi4BMNq6NDUB0OOwqsSWkyTOMFXScUKhI7tMd+Q+DQ== |
| 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
| 2026-09-17T11:54:17.469270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021750observed 099df61b586dff71fcb048dec26bda46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:17.453024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021750/manifest.jsonobserved d8f42bd4cfad542648f32ef54293f444...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.434557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021750/publication.mdobserved 33a131525230c363685f864a663c7f07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.417726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021750/publication.txtobserved 2e6df87d9bad19183f51f0d87782adc1...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. |
|---|