OT-2026-000003810
Publication integrity record
Porous face vacuum gripper, three zone face, common isolation valve, pump fed
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-2026-000003810) never changes.
Identity and time
| Publication number | OT-2026-000003810 · never reused |
|---|---|
| Internal UUID | 01a0a90b-2005-7862-acc3-875203356ba1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:53.736171Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003810 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6dbfba8713a32d6fca5d0cf7c4d599de0ef31ee6af133eeec66a51ea8f0cb025 |
|---|---|
| Markdown | 860e4cce87a50acd46836080ffa9aab33bf7a99de66c3bc38bf360b0fa6eafe5 |
| Publication page | 6ec50fe92245328fbb2d37d0dbc5be870172e590bc0cde4e3980f9082ec054be |
| Manifest | fc4df7d87d5320072543d8c022a557e7ff15fb78fe67d9e1a7e472ea8eebb9ea |
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 | JnMnVJmu0SQUxe/w9r+ay3hT6MhbQRB3gsvK4Avkk9eocE6k/m3/Nl5yGl3XiLj/FtapIy6q3GwVxUsAFAebDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:19.005535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003810observed 6ec50fe92245328fbb2d37d0dbc5be87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:18.991578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003810/manifest.jsonobserved fc4df7d87d5320072543d8c022a557e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:18.975873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003810/publication.mdobserved 860e4cce87a50acd46836080ffa9aab3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:18.960832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003810/publication.txtobserved 6dbfba8713a32d6fca5d0cf7c4d599de...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. |
|---|