OT-2026-000090554
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000090554) never changes.
Identity and time
| Publication number | OT-2026-000090554 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-772a-9e00-4f06ced4d0aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090554 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3955a44b008f45a3308039655fcc8ccc2951e0cd6a183278c194ffd4add6d64c |
|---|---|
| Markdown | b95a6159f26907784572f8370e530aeaaca9cca29a876e66898bba55201dc284 |
| Publication page | 7e2542e16a730424e6bdd3316836382984643850390acea695feaca259ad34e3 |
| Manifest | f88f1c0ba8c82659ab359084ebde0a75348857aeff09a12289af9976ed080526 |
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 | nKIWoViaRvLkwj68E79qUvhVZ6UfCg+QzgZSLH+upH2I7YJ+oyq/Vqr9gpbVaMwnx0pqWoCM0sDWgi8xUB49CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:43.673415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090554observed 7e2542e16a730424e6bdd33168363829...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:43.656032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090554/manifest.jsonobserved f88f1c0ba8c82659ab359084ebde0a75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.636225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090554/publication.mdobserved b95a6159f26907784572f8370e530aea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.617424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090554/publication.txtobserved 3955a44b008f45a3308039655fcc8ccc...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. |
|---|