OT-2026-000004169
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, ejector fed, pressure verified
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-2026-000004169) never changes.
Identity and time
| Publication number | OT-2026-000004169 · never reused |
|---|---|
| Internal UUID | 01a0a90f-d8d8-7de4-a5f0-b23621cd616c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:13:03.195390Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004169 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4daa2fa8e7185ace51d7359d78086e07112c50fd44cb87b8a8422b740c535234 |
|---|---|
| Markdown | 41a79cd14f5efb89b628198bd40e93185a4b1251068fac5b76ee0c7119471ca8 |
| Publication page | 92328e90c55d9dd419916e6c7d4a16464d55176db1d9d6fb22fa773efc644645 |
| Manifest | f25ed3acd1fd25ebc3df5d20a83263585c7aeeff5f72f6873e9d1d24b616793b |
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 | Is8o0Se61k8cJg/5S7N2PBrUsnaBiD4SzyoRMkGAFYkZ4xCb1lSwPIZg2zA9SQrb3szOjBonAxXDbQMl23foCA== |
| 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
| 2026-09-16T07:20:28.640903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004169observed 92328e90c55d9dd419916e6c7d4a1646...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:28.625923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004169/manifest.jsonobserved f25ed3acd1fd25ebc3df5d20a8326358...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.487398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004169/publication.mdobserved 41a79cd14f5efb89b628198bd40e9318...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.472289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004169/publication.txtobserved 4daa2fa8e7185ace51d7359d78086e07...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. |
|---|