OT-2026-000042908
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000042908) never changes.
Identity and time
| Publication number | OT-2026-000042908 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-766c-a3c3-0faa41d907b7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042908 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2bce6e93717179cf7b61d533fa01a0d7c78b23c9d1d305a16c7619a931bc0c0b |
|---|---|
| Markdown | 5a57421bcff2fbdfaef2e4a25fa5c34119f41939d69418753adc1ffd30ebe3b0 |
| Publication page | 63fee96174d70495ba27c0d5a66dea02951da277e70fa8d7a199408189cfa47f |
| Manifest | dbb3da93b1c37990bf7f000ccd9adcc67c6efdd796ad75584313e961682c731b |
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 | ubBF4eyJU4N+jULlT5StsZuqx7StzjyW7r8I3JXurHoRpajV9LFkg+sDeSGBnPJeaTHc3t1M6zK8G6pDsqvWAA== |
| 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
| 2026-09-17T11:15:25.138418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042908observed 63fee96174d70495ba27c0d5a66dea02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:25.119452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042908/manifest.jsonobserved dbb3da93b1c37990bf7f000ccd9adcc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:25.100641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042908/publication.mdobserved 5a57421bcff2fbdfaef2e4a25fa5c341...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:25.081400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042908/publication.txtobserved 2bce6e93717179cf7b61d533fa01a0d7...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. |
|---|