OT-2026-000020025
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000020025) never changes.
Identity and time
| Publication number | OT-2026-000020025 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-77e1-9a19-2e0b58d989ca · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020025 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef4f2e2e2c37c9c43024f79e8e3b16648240c19b28d2d210ed9e8f309bb62ff7 |
|---|---|
| Markdown | 224f44b4b1c277ff67b299d4df56b3320fb6ab7a8e49c738aea649cd0441575f |
| Publication page | 3a52cad4629b8f2b5c61e87734e363d1fe683c6f02e8e41f3330825c531c3026 |
| Manifest | 3fe0d97af693ff1f74d729b05b1669e9108e3a1dacd62475315845e6ea47ef09 |
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 | T8fJ5IGLMKKtTNEqvT3fdCmjA1E3UZMUJuXgqGEC7LBQUprsO+YuI3SFYM0RmcghhosgZAj0jJWyBk3U5K8CCg== |
| 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
| 2026-09-17T11:58:16.808488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020025observed 3a52cad4629b8f2b5c61e87734e363d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:16.790068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020025/manifest.jsonobserved 3fe0d97af693ff1f74d729b05b1669e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:16.770582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020025/publication.mdobserved 224f44b4b1c277ff67b299d4df56b332...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:16.751699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020025/publication.txtobserved ef4f2e2e2c37c9c43024f79e8e3b1664...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. |
|---|