OT-2026-000029448
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000029448) never changes.
Identity and time
| Publication number | OT-2026-000029448 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e21-7126-a43f-7c7999d0dca8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029448 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a0c177be0edd2f70e05c814ac9b89f7aa437348d8ea40f4187066d70e167cb1 |
|---|---|
| Markdown | f4a155a116ed52990b8599638b2a6f7adcee49570329ee9e9005c21bab95d94a |
| Publication page | 8601236c9158168ac99407a4adeda109d7eecb47078c0df956ac66571b3991a0 |
| Manifest | 6f0264ade409c013d16abaab421e9645027ef1371e3d9ad931eba3af82bc4b4a |
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 | ujJc5y68nS0S24MxNXSIy3sXFbGYi/XOo7aZl1RmwT7FoCdnZPvtq/BbXa+kAhiReioFAVZDLstuN+I0lkn6CA== |
| 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
| 2026-09-17T11:39:04.094633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029448observed 8601236c9158168ac99407a4adeda109...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:04.078137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029448/manifest.jsonobserved 6f0264ade409c013d16abaab421e9645...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:04.060609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029448/publication.mdobserved f4a155a116ed52990b8599638b2a6f7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:04.042715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029448/publication.txtobserved 6a0c177be0edd2f70e05c814ac9b89f7...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. |
|---|