OT-2026-000004349
Publication integrity record
Bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, contact triggered, plastic cups
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-2026-000004349) never changes.
Identity and time
| Publication number | OT-2026-000004349 · never reused |
|---|---|
| Internal UUID | 01a0a914-ca35-75ac-bd2d-1101b172c732 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:27.129316Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004349 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16f6cb6671ad0f2c0fd6e15e1246b33195c48750944563f02e9d8e60a757ccee |
|---|---|
| Markdown | 96eba3435885b61448886f6280fdaf0b6f1ccccb0ef2a6dd101e11137adb6abc |
| Publication page | 2d6fd983fffde5a811638c5d2ebadc3dd23e397c3b03dbc15348ed2cc904e3f1 |
| Manifest | 438ae117efb7b1b3d2afbfae5b68ecbbf35a1cd0e24dfe4749906e5ec221db4d |
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 | /o7qGk82Z68FlQP+flKOz2FR7+6+fANTbdHSs2tDi+OYdjZ+N0IQmS6CB+MZ8oNz+6M2x4wXjPA78Dkj26ccAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-31T08:41:39.744075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004349observed 2d6fd983fffde5a811638c5d2ebadc3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:41:39.669219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004349/manifest.jsonobserved 438ae117efb7b1b3d2afbfae5b68ecbb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:39.578156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004349/publication.mdobserved 96eba3435885b61448886f6280fdaf0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:39.430626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004349/publication.txtobserved 16f6cb6671ad0f2c0fd6e15e1246b331...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:10.571213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004349observed 2d6fd983fffde5a811638c5d2ebadc3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:10.500234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004349/manifest.jsonobserved 438ae117efb7b1b3d2afbfae5b68ecbb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:10.423088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004349/publication.mdobserved 96eba3435885b61448886f6280fdaf0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:10.286129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004349/publication.txtobserved 16f6cb6671ad0f2c0fd6e15e1246b331...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 |
|---|