OT-2026-000021957
Publication integrity record
Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000021957) never changes.
Identity and time
| Publication number | OT-2026-000021957 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-77cc-ac38-44f6f767d73e · 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-2026-000021957 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57597713fe5a8bf256aa24b3c17f338d1ff30cc0a45981f3e418b0ed312979a2 |
|---|---|
| Markdown | f4bdfdeddb9bf5a1fafc9b27ebc1ac5e8e2318d298850a579404c4c638b24d42 |
| Publication page | 59bd11da744374c56daac61edfa70546bcbbb28b5ed8349a8c4290d913ffd0b7 |
| Manifest | dd6c6f7cbb3e0f3b91220799ba5c403aa18b5db1d4854268ecf02e865b3c3c37 |
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 | T2ikfXuvbdFa+ZOi3pxrTcilyI790Ju153lFwZBdH4zyIul3+CwApqCua6xGwCU9d0uQwLmTCA5wqu/7qwd1DQ== |
| 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
| 2026-09-17T11:54:37.554592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021957observed 59bd11da744374c56daac61edfa70546...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:37.536821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021957/manifest.jsonobserved dd6c6f7cbb3e0f3b91220799ba5c403a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.517940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021957/publication.mdobserved f4bdfdeddb9bf5a1fafc9b27ebc1ac5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.500570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021957/publication.txtobserved 57597713fe5a8bf256aa24b3c17f338d...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. |
|---|