OT-2026-000004716
Publication integrity record
Bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, contact triggered
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-2026-000004716) never changes.
Identity and time
| Publication number | OT-2026-000004716 · never reused |
|---|---|
| Internal UUID | 01a0a921-11fe-7841-b5b0-2cc899e05de0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:31:51.937567Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004716 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2b5ffbc198fbff48ec965f3db40bd6e1a1867c7b3864df0535d2b736aae3c6f8 |
|---|---|
| Markdown | f8abedade1349d4cc63c09c2afd1778a74cd6bbf34a63c4ad5da20f11066d9e8 |
| Publication page | f3223af593b0c929b5aa75f238a14ef0c7e40b3520be1c62373326b76f733d8f |
| Manifest | 9ad6c1b87aa776df1ef2530778e5e5ca1edcdba1037f939c1dabf0b5a3550eb2 |
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 | m8itQlHYm9rd4jDoVfE3aQuTJWZxvTMddQZPnW00UtkJ9yknNrKH2qKpOUXpEZwlYGl9/jP/U4C3/QvHlvuMCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-10-03T08:41:52.196409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004716observed f3223af593b0c929b5aa75f238a14ef0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T08:41:52.124247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004716/manifest.jsonobserved 9ad6c1b87aa776df1ef2530778e5e5ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:52.055250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004716/publication.mdobserved f8abedade1349d4cc63c09c2afd1778a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:51.878838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004716/publication.txtobserved 2b5ffbc198fbff48ec965f3db40bd6e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:46.639237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004716observed f3223af593b0c929b5aa75f238a14ef0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:46.551517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004716/manifest.jsonobserved 9ad6c1b87aa776df1ef2530778e5e5ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:46.415423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004716/publication.mdobserved f8abedade1349d4cc63c09c2afd1778a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:46.170386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004716/publication.txtobserved 2b5ffbc198fbff48ec965f3db40bd6e1...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 |
|---|