OT-2026-000031728
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down
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-2026-000031728) never changes.
Identity and time
| Publication number | OT-2026-000031728 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-7a59-a715-2b0f9de4c1cb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031728 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7b19deba2b0f5d6873c3fb7f4a98f8d30c0fd345fdb041319d57607b5ca0286 |
|---|---|
| Markdown | 34ea1e991670fd54ce18780c2d1fe6446057cc853e8fab75648c1930977c1577 |
| Publication page | 81b74c120d2846c99c2db93aa26d5ad048e322a7ba9c88ce3f5efa1da38f0f5e |
| Manifest | e6764af23d1137615a179f11c300e5451b1fc8a54655626ef0e2fd5e2d306204 |
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 | cuyP6rJE7ekAkFH4ans3ELuO27RN9vQQxeuny9n3/GVQgXUwyqsAgK7FaLJ+vaseTYwTo37UaDe1ywMhTi0dAA== |
| 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
| 2026-09-17T11:34:50.523728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031728observed 81b74c120d2846c99c2db93aa26d5ad0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:50.507217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031728/manifest.jsonobserved e6764af23d1137615a179f11c300e545...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:50.490689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031728/publication.mdobserved 34ea1e991670fd54ce18780c2d1fe644...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:50.475407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031728/publication.txtobserved f7b19deba2b0f5d6873c3fb7f4a98f8d...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. |
|---|