OT-2026-000090470
Publication integrity record
Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000090470) never changes.
Identity and time
| Publication number | OT-2026-000090470 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7362-81e0-3f35c29d115c · 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-2026-000090470 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba492fe8ac25c7d0cf4bfa4c018dc31b9238de6698083812d6b6f1370dacdb48 |
|---|---|
| Markdown | ec5a6665feaaef7cc15299e7ab57a3bdfb952e1dc8aecd45efca202c53147f1d |
| Publication page | 766c864247b099408b694b656a630e7457a916198a4f5fbe568b43becce4bcfb |
| Manifest | 51a4b5054be6d1fe7aa758157580165de4791408d89a8ffc6e2904be4634ef54 |
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 | sCRs8CNoJsBTvZ0rDuN6AoEcTgFbOi+WKJfX2S3gSfmi6hrOjrOGm5XaVJIof8qjgLWcOsC1V64k6uuo7dWKAQ== |
| 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
| 2026-09-17T09:44:35.825896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090470observed 766c864247b099408b694b656a630e74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:35.809266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090470/manifest.jsonobserved 51a4b5054be6d1fe7aa758157580165d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:35.792593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090470/publication.mdobserved ec5a6665feaaef7cc15299e7ab57a3bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:35.776130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090470/publication.txtobserved ba492fe8ac25c7d0cf4bfa4c018dc31b...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. |
|---|