OT-2026-000050756
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050756) never changes.
Identity and time
| Publication number | OT-2026-000050756 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b1-7509-afb1-f08da6bab0c7 · 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-2026-000050756 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b602c6075d7493c4f76fb8a592219b5d53ee6c18f73cb05bb8fbec0d50dd0ef |
|---|---|
| Markdown | 203608545df74b813c75ba204e3f2ed9e7f9cb691a88c7857e16fca1798a9bb7 |
| Publication page | 36d7e4829c517170b9e0224b4c60b561f64e3fb7a2826e9ede84bf88c2656afd |
| Manifest | e4ded0ee90731975cb0d9f4a8b8d2ec57c2192070d47a59f28a37939ce31e2ea |
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 | 4nR0CobKFs0GQ444KWSFQ8CoqSQpEU7VyUMJZBmZXUg8xKpoAwp3TiJrFkGzs6demF29f908lxkhY0z3r5WbAg== |
| 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
| 2026-09-17T12:42:00.098430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050756observed 36d7e4829c517170b9e0224b4c60b561...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:41:59.792419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050756/manifest.jsonobserved e4ded0ee90731975cb0d9f4a8b8d2ec5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:59.498247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050756/publication.mdobserved 203608545df74b813c75ba204e3f2ed9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:59.213225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050756/publication.txtobserved 7b602c6075d7493c4f76fb8a592219b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.567817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050756observed 36d7e4829c517170b9e0224b4c60b561...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.544864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050756/manifest.jsonobserved e4ded0ee90731975cb0d9f4a8b8d2ec5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.540053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050756observed 36d7e4829c517170b9e0224b4c60b561...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.518613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050756/publication.mdobserved 203608545df74b813c75ba204e3f2ed9...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. |
|---|