OT-2026-000021942
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000021942) never changes.
Identity and time
| Publication number | OT-2026-000021942 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-747c-af3f-3af996d69cd0 · 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-2026-000021942 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a8a54c22a1b279b48ce301f3356b74bfde3275767ca7a51503ec47f043b567f |
|---|---|
| Markdown | 26c7aafe81b38dff3d83f5b86a58aec40fb5825a6a9a8d52c0c33972b763a9a3 |
| Publication page | 5bd97cfc905e6d306d4aba315f631ea8e86492c808434a99ba3d324387d08d81 |
| Manifest | 9ec51ee5c3cd9ca48ee56f6f79e0993a6914f4dd3d5f65a103c1dc87b5b826fb |
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 | YTwQbvqIcY2qI1gReKaFRtM5wpF2hNeNDUIv1CsMw5RXRcv2ij3vqIhp9CvkQYUP5qQz3P02p9p4YMghXjl+CQ== |
| 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
| 2026-09-17T11:54:36.470250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021942observed 5bd97cfc905e6d306d4aba315f631ea8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:36.450558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021942/manifest.jsonobserved 9ec51ee5c3cd9ca48ee56f6f79e0993a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:36.430251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021942/publication.mdobserved 26c7aafe81b38dff3d83f5b86a58aec4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:36.410949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021942/publication.txtobserved 4a8a54c22a1b279b48ce301f3356b74b...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. |
|---|