OT-2026-000020272
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000020272) never changes.
Identity and time
| Publication number | OT-2026-000020272 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7cb8-89d9-1606c240d1ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020272 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce7dfacfe7eb0f422d83c5f1705dea612bbf14a0c4e2acc36adcf536ba3e25d6 |
|---|---|
| Markdown | d7dbdb2918f4b68cbe441dd0c05012c02a296d0aab554bdf617bdda5f6754266 |
| Publication page | 4a2bc145f72d9f1c010248e550d6af7da53c24de82e650127f73f182da14c498 |
| Manifest | c7da4704f6c0e29c4ec5076c26be64da5f2b1f88b5e0073fffec12380c94df9e |
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 | jTqcvZQGuePAK0vF+MI4wYcgmjKGqjCJ/69ElzWohPEhQsg5Jc1AKeZBhrBy+uNmttwKZDoMIFmvix6Ga92kCg== |
| 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
| 2026-09-17T11:56:37.332904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020272observed 4a2bc145f72d9f1c010248e550d6af7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:37.316139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020272/manifest.jsonobserved c7da4704f6c0e29c4ec5076c26be64da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.299191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020272/publication.mdobserved d7dbdb2918f4b68cbe441dd0c05012c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.280179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020272/publication.txtobserved ce7dfacfe7eb0f422d83c5f1705dea61...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. |
|---|