OT-2026-000004443
Publication integrity record
Porous face vacuum gripper, common isolation valve, ejector fed, contact triggered
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-2026-000004443) never changes.
Identity and time
| Publication number | OT-2026-000004443 · never reused |
|---|---|
| Internal UUID | 01a0a917-ec3c-7f81-b514-f6fa71778f41 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:52.447033Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004443 |
| Status | PUBLIC |
Content hashes
| Canonical text | 850c5c7f14a68aa2bbf5ddc6f7a72569a1e37ee075d39ab81f05d15a50ccf441 |
|---|---|
| Markdown | 18deeac57409be5f937512c84eab76188dbdd6ec4ed01376becfd465da442bc5 |
| Publication page | 191b5b518c9caf6fcc96cdfc23deecb75ab30aeb27dffb2c5df9953c48a777b8 |
| Manifest | dae7afe9879118d32a841bfc943f2e941fd6d503e8c19dcbe20785a53e778e2e |
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 | V4wRnBP1z2S/fIiB5ILs5altKs2JWIt/ACOqWCfAbqMCZPRSNOR0dcXBlyZr0bSuVg3IbXqCEXjs0WAJ2PMKAQ== |
| 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
| 2026-09-16T07:30:26.963424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004443observed 191b5b518c9caf6fcc96cdfc23deecb7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:26.950365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004443/manifest.jsonobserved dae7afe9879118d32a841bfc943f2e94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.938367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004443/publication.mdobserved 18deeac57409be5f937512c84eab7618...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.924276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004443/publication.txtobserved 850c5c7f14a68aa2bbf5ddc6f7a72569...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. |
|---|