OT-2026-000029832
Publication integrity record
Single bellows cup vacuum gripper, pump 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-2026-000029832) never changes.
Identity and time
| Publication number | OT-2026-000029832 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-795a-95b4-f786cd2c0add · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029832 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3d1ef24b5c352d32ffa327fd2e08304eb5fcfc1c0f35027a99c5c5a51579fadc |
|---|---|
| Markdown | 5483edc29080f4103b5c5bc57c04f2416a198655ea0245747fc3c0d0cf9aee62 |
| Publication page | 176876746e0a5fb6f500b4c2d49cbffec4a51d018578a92c8a8f3441d52a8b69 |
| Manifest | 3383a44a6fd607be98d783bddfe73387854f8ff6fab1a499a16fcccc42f104e4 |
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 | EUdPhHSKmsIQ72ErkwsiF7I8xyjIoBH10pLubVaDRxn7S4nbE5JfJ2KrjF8pYwnW6PCt0rRRMUE4xu8q8ECPBw== |
| 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
| 2026-09-17T11:38:29.130767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029832observed 176876746e0a5fb6f500b4c2d49cbffe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:29.113922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029832/manifest.jsonobserved 3383a44a6fd607be98d783bddfe73387...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:29.096606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029832/publication.mdobserved 5483edc29080f4103b5c5bc57c04f241...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:28.988539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029832/publication.txtobserved 3d1ef24b5c352d32ffa327fd2e08304e...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. |
|---|