OT-2026-000052290
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000052290) never changes.
Identity and time
| Publication number | OT-2026-000052290 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-75ba-85c9-1d1c4af7b4de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052290 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6fd472982066fdb2925aa362a2b773f3fd4f489ceec62c1f25300df61c3ac3ea |
|---|---|
| Markdown | 2c7a3432627275f4a8040f59caf1cd000eb7e43e98eb8c23a57108100397ad43 |
| Publication page | 9cc5fc0721b7c7ed29bb36023afaaf887795988440c73098985db15b87e8dac6 |
| Manifest | b643f400e899aa88e02367c24220c25fbdc1ef1a065aa9243d17b55c61642c26 |
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 | Ma0i0NDXu9Q2DOcr187UnNizwUAYpRqRHPm82hZ+2Fp41mvqAWG6Uuuz8FFoGaV1Pr+d3WITnDvqCWZHBmnKDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:58.203244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052290observed 9cc5fc0721b7c7ed29bb36023afaaf88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:58.182746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052290/manifest.jsonobserved b643f400e899aa88e02367c24220c25f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:58.165362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052290/publication.mdobserved 2c7a3432627275f4a8040f59caf1cd00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:58.147412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052290/publication.txtobserved 6fd472982066fdb2925aa362a2b773f3...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
| Custody package | Pending Custody packages are produced weekly. |
|---|