OT-2026-000090730
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000090730) never changes.
Identity and time
| Publication number | OT-2026-000090730 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-71ae-af7b-8758487882e6 · 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-2026-000090730 |
| Status | PUBLIC |
Content hashes
| Canonical text | d954a8beb3ca5d73006d09f88901fae91a5b2ae010b5e6083049a33e0fa1e731 |
|---|---|
| Markdown | 53fdb6a760dad7c97e6dd3761896b5225dfeea8a796ea27ecb12fab3dde74415 |
| Publication page | 29f4e33eb7744b35d03b4e248a4182f36c0b4c115fcb0c38b296e181c8e9c17d |
| Manifest | 9faa3b7bdac1560ca4b768b803d9f506990ad1adede3c29b9ce27d8435096b41 |
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 | c3nNlNMsMrNIBq9xZhKCxjpt+rYLrA/MjnFQX0hJIDOGBik+7gbGm1ie9oIZyzwkZXqXIpKX5/WoZtRWYQyhAg== |
| 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
| 2026-09-17T09:44:23.284263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090730observed 29f4e33eb7744b35d03b4e248a4182f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:23.191670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090730/manifest.jsonobserved 9faa3b7bdac1560ca4b768b803d9f506...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.173514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090730/publication.mdobserved 53fdb6a760dad7c97e6dd3761896b522...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.155317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090730/publication.txtobserved d954a8beb3ca5d73006d09f88901fae9...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. |
|---|