OT-2026-000042952
Publication integrity record
Single bellows cup vacuum gripper, pump 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-2026-000042952) never changes.
Identity and time
| Publication number | OT-2026-000042952 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-3277-7893-bc9a-37ad6f717aaf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042952 |
| Status | PUBLIC |
Content hashes
| Canonical text | 06ed2309fb4a8ac53577dd908eb63a89ffe4b3938ab4ecd7b483a3d62e6fcda2 |
|---|---|
| Markdown | 3de97146a48f4073d89e9a86a0d4b1ce53675f98e03b692c2b326baf6d818197 |
| Publication page | 61acf2d1627db850b7f09782a6001085be8a75896502938f63c86ab839d4ae4a |
| Manifest | 6888ee2600fb282141253bfa3229ef4ab8d2546274891ebd92622dec318752c7 |
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 | FR1cvEamhNpL/8n0NF+5girgGxEANVIpIeHqXs+ydq1uhAqBZRDOBMRHuinADYp6cgVaq7GQuWvkZqMPaGulBw== |
| 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
| 2026-09-17T11:13:14.572485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042952observed 61acf2d1627db850b7f09782a6001085...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:14.551852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042952/manifest.jsonobserved 6888ee2600fb282141253bfa3229ef4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:14.496774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042952/publication.mdobserved 3de97146a48f4073d89e9a86a0d4b1ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:14.424242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042952/publication.txtobserved 06ed2309fb4a8ac53577dd908eb63a89...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. |
|---|