OT-2026-000019930
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000019930) never changes.
Identity and time
| Publication number | OT-2026-000019930 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7012-bee7-978c31bd87e6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019930 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a419c8ef2d78874a8b8d83afaa1b28090f3f85e7cb2ad37c5cbe9df792575cd |
|---|---|
| Markdown | 084614d9d4b7cd030cbd28bcf5962dff4ee8593e2224df55cd0291e955b68105 |
| Publication page | 5861b334365d4118c715b5cea60225b307ec65e352f8149543210adca3a2e7c8 |
| Manifest | 5e89906f8e8cd4041d3407255e0f42a5bd71397987aecfeb88c56210e46b58a5 |
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 | BzjyTggBzfEwvOIGbadHq0/3Ctop0SdLLIoILCUNPQx/vn1jmpeD8MZUUtV5Iyd1M5C+HvWoT8/+dW62hKBxCw== |
| 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
| 2026-10-25T00:41:20.016338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019930observed 5861b334365d4118c715b5cea60225b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T00:41:19.935386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019930/manifest.jsonobserved 5e89906f8e8cd4041d3407255e0f42a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:19.869437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019930/publication.mdobserved 084614d9d4b7cd030cbd28bcf5962dff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:19.809310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019930/publication.txtobserved 7a419c8ef2d78874a8b8d83afaa1b280...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:43.383051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019930observed 5861b334365d4118c715b5cea60225b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:43.367903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019930/manifest.jsonobserved 5e89906f8e8cd4041d3407255e0f42a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:43.342860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019930/publication.mdobserved 084614d9d4b7cd030cbd28bcf5962dff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:43.316821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019930/publication.txtobserved 7a419c8ef2d78874a8b8d83afaa1b280...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
| 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 |
|---|