OT-2026-000042900
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000042900) never changes.
Identity and time
| Publication number | OT-2026-000042900 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-791c-b4d7-9a7d38616f95 · 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-2026-000042900 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ea8233753536330ec7bf29047d2de8e16a5a11d5ea02a0a342e0d426460fe6e |
|---|---|
| Markdown | e023dd5eca06043dfcce150df922e6147c1d87e10ab58d1dd950f4de30cba7b2 |
| Publication page | d31521c46cd17c8ea33e793f13d1c4dce80b0833b00f45a4ddf184a444c51cbe |
| Manifest | 90ede9841eb4db0e5dc57216b9005f16b1f1c9336a01829da08fa447d997ce5e |
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 | F2Q52jf7OhQNjbMeCR6IGO5bZvVw3VujJOKcaGdd0Di+EcOEesuZ495pykJqLeuwogsQ5wt5ZaCF+g84/pRiBA== |
| 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
| 2026-09-17T11:15:24.492836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042900observed d31521c46cd17c8ea33e793f13d1c4dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:24.472021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042900/manifest.jsonobserved 90ede9841eb4db0e5dc57216b9005f16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:24.453516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042900/publication.mdobserved e023dd5eca06043dfcce150df922e614...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:24.436383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042900/publication.txtobserved 2ea8233753536330ec7bf29047d2de8e...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. |
|---|