OT-2026-000090427
Publication integrity record
Three bellows cup vacuum gripper, three 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-2026-000090427) never changes.
Identity and time
| Publication number | OT-2026-000090427 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-70f8-bbe1-d4e205ad8714 · 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-2026-000090427 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3a653f5956c43061357708bae19afe64c02839c68674293d93fa0b744dad8eb |
|---|---|
| Markdown | b9689d5369acf3f00f653f05f5315c98146846e0a8a334cae72eb865be85af67 |
| Publication page | 97402154c4b8123794cb02180f8b24246ccf816e412fa01335270e0611628997 |
| Manifest | 40a82b3ac54d094f0c80d85a1fa105ef37ed325f1b8ccbefb7bae7a7333eb529 |
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 | j5WMEBYtGlqfXEwbjOlUkeAxFL4hGpYG7qqFF/7HFF9uxHv+KuJ4/l9gi1NhZHPzbTqO64BhZqSgaJaqk5lXDw== |
| 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
| 2026-09-17T09:44:32.680894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090427observed 97402154c4b8123794cb02180f8b2424...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:32.664279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090427/manifest.jsonobserved 40a82b3ac54d094f0c80d85a1fa105ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.647942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090427/publication.mdobserved b9689d5369acf3f00f653f05f5315c98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.630167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090427/publication.txtobserved f3a653f5956c43061357708bae19afe6...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. |
|---|