OT-2026-000020528
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000020528) never changes.
Identity and time
| Publication number | OT-2026-000020528 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-723f-bdcf-1a2a4e685a48 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020528 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9205dac016d708c5d07dfd29d81eae2e629348c6f731f60c960bd3982d49975 |
|---|---|
| Markdown | b9b9f6dbe9d041c9ba32c8c6fb6986f8192dbd25609c2332431e6aa898e7db89 |
| Publication page | 8a1fc0bba383260ddeb0d5feddb979ebc832f4f0a5ea8a8c8045084b4326c841 |
| Manifest | 0f994317abd8a0c3ea205fa56016a2d28e734cb406d47714447b7457956a61e1 |
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 | 2MzzdXYsk07F1PhhrP8JNtpuFe22ByWk3wrPxLYxAp6yXlPL8GCtgO0lyVr6/StPmzBgGQ3yukcmJ2KKgOnnCg== |
| 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
| 2026-09-17T12:00:30.375821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020528observed 8a1fc0bba383260ddeb0d5feddb979eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:30.355859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020528/manifest.jsonobserved 0f994317abd8a0c3ea205fa56016a2d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:30.335688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020528/publication.mdobserved b9b9f6dbe9d041c9ba32c8c6fb6986f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:30.317301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020528/publication.txtobserved a9205dac016d708c5d07dfd29d81eae2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.991698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020528observed 8a1fc0bba383260ddeb0d5feddb979eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.972662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020528/manifest.jsonobserved 0f994317abd8a0c3ea205fa56016a2d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.953792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020528/publication.mdobserved b9b9f6dbe9d041c9ba32c8c6fb6986f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.936801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020528/publication.txtobserved a9205dac016d708c5d07dfd29d81eae2...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. |
|---|