OT-2026-000021713
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000021713) never changes.
Identity and time
| Publication number | OT-2026-000021713 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7191-b931-d757dfd3872d · 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-2026-000021713 |
| Status | PUBLIC |
Content hashes
| Canonical text | 20ec9828f787e55f29628c71a76bb7532522c971a356638e4a829795b06b81ac |
|---|---|
| Markdown | 1c0b9ff6fec803049e909ad47217b3ec9fe5251690dd2a4b78ad4f289da96755 |
| Publication page | d601baa956e1fe196e087eb085e9d0b550a99d1642cf2bf602638c1d38d3ab43 |
| Manifest | 40fefdb7398038e97d2c0170f967bb69e493f9c107e9ccb8fa5a787823b1bbe0 |
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 | 2DWfxrIHymi36ux48UveAauyme/rw3QGun7PDvjCpih37NqsvWf2OdOlsBVRZ1hkq4gly5LJyOdGJA0eWVT4CQ== |
| 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
| 2026-09-17T11:54:03.990427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021713observed d601baa956e1fe196e087eb085e9d0b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:03.972053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021713/manifest.jsonobserved 40fefdb7398038e97d2c0170f967bb69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:03.955927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021713/publication.mdobserved 1c0b9ff6fec803049e909ad47217b3ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:03.938793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021713/publication.txtobserved 20ec9828f787e55f29628c71a76bb753...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. |
|---|