OT-2026-000024197
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000024197) never changes.
Identity and time
| Publication number | OT-2026-000024197 · never reused |
|---|---|
| Internal UUID | 01a0ae70-e8c8-7cc7-a8dc-a2adc818cf68 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:10.360874Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000024197 |
| Status | PUBLIC |
Content hashes
| Canonical text | 549b46e992fd6120387e358624d9de184efe850c80d53f01d6e638609893bafa |
|---|---|
| Markdown | 10615efe5fd8f019e99275fe143402a9cdb0d2c17da4a25c9448d84663e19798 |
| Publication page | 2905c99ebfcf88f1b1dfdd3714ef5589bce31a9d7041fd9a6cc58a8f4bef9829 |
| Manifest | ab3243dd3746bfebc003810bf6125b4b0b4c6bd6889bee8b73568c1ef24ea201 |
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 | GU1WKqQE8nPgjebOoDY6PCiM909COPH5CPJkIKN8Eh4EwVORDxDZxGhs/vl0Hrj6GzBfnGOxXwKJq7S1qvyPDg== |
| 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
| 2026-09-24T04:23:13.596143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024197observed 2905c99ebfcf88f1b1dfdd3714ef5589...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-24T04:23:13.548034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024197/manifest.jsonobserved ab3243dd3746bfebc003810bf6125b4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:13.530156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024197/publication.mdobserved 10615efe5fd8f019e99275fe143402a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:13.487450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024197/publication.txtobserved 549b46e992fd6120387e358624d9de18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:21.100844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024197observed 2905c99ebfcf88f1b1dfdd3714ef5589...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:21.025845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024197/manifest.jsonobserved ab3243dd3746bfebc003810bf6125b4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:20.976027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024197/publication.mdobserved 10615efe5fd8f019e99275fe143402a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:20.890453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024197/publication.txtobserved 549b46e992fd6120387e358624d9de18...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 |
|---|