OT-2026-000030317
Publication integrity record
Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000030317) never changes.
Identity and time
| Publication number | OT-2026-000030317 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e501-7720-b4b0-9fc45be57a65 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030317 |
| Status | PUBLIC |
Content hashes
| Canonical text | 076af2caa956eb3f0eb7f1c573cab78de0538414ff6b14f4ae455920fbd303e8 |
|---|---|
| Markdown | 772d29371597af299c3872691c5d745cfd31079e5f18c79a3e41cec949a83ceb |
| Publication page | e81fc4edd946d035d07896adbef0cef788ddff6f3c1ee92a71e50988569e26ec |
| Manifest | 778f152de64c4f32183ef90fafec4af7b04642b0fd3d5a6dfca5a185dda6a0a8 |
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 | dfeEfEHNZVFqysY9Tfe+wCEtah/dTW0mUfUpRI0OiyqWriOjwin69n0bb/L2JDJiwVSEtPq8rjeEwKpUg0CLAQ== |
| 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
| 2026-10-13T20:41:07.364100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030317observed e81fc4edd946d035d07896adbef0cef7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T20:41:07.284741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030317/manifest.jsonobserved 778f152de64c4f32183ef90fafec4af7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:07.195364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030317/publication.mdobserved 772d29371597af299c3872691c5d745c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:07.045075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030317/publication.txtobserved 076af2caa956eb3f0eb7f1c573cab78d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:41.726442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030317observed e81fc4edd946d035d07896adbef0cef7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:41.643025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030317/manifest.jsonobserved 778f152de64c4f32183ef90fafec4af7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:41.563828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030317/publication.mdobserved 772d29371597af299c3872691c5d745c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:41.386210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030317/publication.txtobserved 076af2caa956eb3f0eb7f1c573cab78d...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 |
|---|