OT-2026-000064005
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000064005) never changes.
Identity and time
| Publication number | OT-2026-000064005 · never reused |
|---|---|
| Internal UUID | 01a0ae8d-53bc-72c7-9656-5d35cdffc499 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:48:12.763906Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000064005 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49369adc4883dc53b15878b0eda21839e53b5e7ae3b0a1077a846ea6536fb84e |
|---|---|
| Markdown | a16999ee53493750e196fd7cfb293e70883cc17a38f6b2677578011b260d1273 |
| Publication page | 7981fafe0ee1903ca893b3f530ee1ab989491ee753fb26fdeced753acc631860 |
| Manifest | acdec10b1ad6ff8e4b22e0d38b7cd1fc0f045e664ea4ade705cfbd7571939ff1 |
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 | 9dfL+l9Pl6a6CfZySaugvoLUoQE8vdExfGlsXDxHjoNfKLjdtj+q/6xOTaolsEyFgCcWLcnLA5lrhohaz2LXAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-27T08:41:44.023207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064005observed 7981fafe0ee1903ca893b3f530ee1ab9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T08:41:43.947217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064005/manifest.jsonobserved acdec10b1ad6ff8e4b22e0d38b7cd1fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:43.871974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064005/publication.mdobserved a16999ee53493750e196fd7cfb293e70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:43.782542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064005/publication.txtobserved 49369adc4883dc53b15878b0eda21839...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:42:05.631143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064005observed 7981fafe0ee1903ca893b3f530ee1ab9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:42:05.531458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064005/manifest.jsonobserved acdec10b1ad6ff8e4b22e0d38b7cd1fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:42:05.421534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064005/publication.mdobserved a16999ee53493750e196fd7cfb293e70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:42:05.327131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064005/publication.txtobserved 49369adc4883dc53b15878b0eda21839...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|