OT-2026-000004261
Publication integrity record
Porous face vacuum gripper, two zone face, ejector fed, pressure verified at each zone
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-2026-000004261) never changes.
Identity and time
| Publication number | OT-2026-000004261 · never reused |
|---|---|
| Internal UUID | 01a0a912-c70b-7be1-8d42-59b0e9da35d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:15.247260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004261 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5612eee0472198e23b68198a5d0e2fa40b7dc82f88289ca1a98df2e1c5e59081 |
|---|---|
| Markdown | 7064f61b5559df67fd5819e44b5da287081053455f9a4505740dbaf182a8f13e |
| Publication page | 0c44dfaeeeb8da2ef372f2c80f1781109f519f0b959309303e6d70f7359aed4c |
| Manifest | 970f51456fef9c565e9d3381f83307504a445138ec60f717543d89aaa8d252f1 |
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 | 75+IkHfbm/KUSQslEika6Z3Ax0s0Bs7oZEwiyBAJn3pQlrxHXGsPKCf7Nh2U0hTSo7BSqzB14SeDlh0xRBFxCw== |
| 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
| 2026-09-16T07:20:17.936418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004261observed 0c44dfaeeeb8da2ef372f2c80f178110...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:17.923914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004261/manifest.jsonobserved 970f51456fef9c565e9d3381f8330750...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:17.911504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004261/publication.mdobserved 7064f61b5559df67fd5819e44b5da287...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:17.899101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004261/publication.txtobserved 5612eee0472198e23b68198a5d0e2fa4...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. |
|---|