OT-2026-000021143
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed 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-2026-000021143) never changes.
Identity and time
| Publication number | OT-2026-000021143 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7365-bdbf-2ef3bf56d07e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021143 |
| Status | PUBLIC |
Content hashes
| Canonical text | f72cdd783086ae878407b2e74471fbf0259b3cba9f0ddad70d40b4be6630cfcf |
|---|---|
| Markdown | 2151ed82a216a4e0686b3af57d4f116fc79828bea174b82ab8daf6cb76997a53 |
| Publication page | 2ac3e4fa18fcb437be3019a98a5ed745018a409a66379fc2e1db5e954c65b0b1 |
| Manifest | cc7adb82fc81948754dac40d1ad2cd9e6507ef5ae6200069ccc3239f3b4f45c9 |
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 | xGLjH8CiD9jr8lzBrKuCuu4yBVH85ws0ujSyH/7wQ6hjVq0qViizlyKtl412StIaRX6qShVI6wL8ITUwDNq7Bg== |
| 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
| 2026-09-17T11:54:53.907971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021143observed 2ac3e4fa18fcb437be3019a98a5ed745...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:53.887477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021143/manifest.jsonobserved cc7adb82fc81948754dac40d1ad2cd9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.867188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021143/publication.mdobserved 2151ed82a216a4e0686b3af57d4f116f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.845374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021143/publication.txtobserved f72cdd783086ae878407b2e74471fbf0...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. |
|---|