OT-2026-000050722
Publication integrity record
Foam pad vacuum gripper, 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-2026-000050722) never changes.
Identity and time
| Publication number | OT-2026-000050722 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b1-7515-8252-cf48624082dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050722 |
| Status | PUBLIC |
Content hashes
| Canonical text | a8116cc9b0b9721c6e0c1ecbcc7f4be4321c8eb8fcd125151399ab2b9cc065f1 |
|---|---|
| Markdown | 3f81e27775458da8c4c4aff85a3f6f472130780e008eabd3d8cec7d90dec9696 |
| Publication page | a8dc51475962c65d5759bfc21e7a13775e8e851fb66a9702d47ec624d10fe416 |
| Manifest | b1b47cb5847db2ab26e4a4f519a04a6824276667d66a5f321954d09a8e318dee |
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 | 5fTRaZxJLlIcG06CFvwmns+QaEUodC5vO6DIPME5Hu7gaOxrtFNr4HTOFDtizgKXJtCAeFlmrSMPRKUn3DauCQ== |
| 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
| 2026-09-17T11:00:04.928570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050722observed a8dc51475962c65d5759bfc21e7a1377...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:00:04.909710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050722/manifest.jsonobserved b1b47cb5847db2ab26e4a4f519a04a68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.907143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050722observed a8dc51475962c65d5759bfc21e7a1377...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.890989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050722/publication.mdobserved 3f81e27775458da8c4c4aff85a3f6f47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.887115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050722/manifest.jsonobserved b1b47cb5847db2ab26e4a4f519a04a68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.874425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050722/publication.txtobserved a8116cc9b0b9721c6e0c1ecbcc7f4be4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.870208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050722/publication.mdobserved 3f81e27775458da8c4c4aff85a3f6f47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.851390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050722/publication.txtobserved a8116cc9b0b9721c6e0c1ecbcc7f4be4...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. |
|---|