OT-2026-000004961
Publication integrity record
Porous face vacuum gripper, common isolation valve, four outlet manifold, plant vacuum 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-2026-000004961) never changes.
Identity and time
| Publication number | OT-2026-000004961 · never reused |
|---|---|
| Internal UUID | 01a0a929-49a8-777e-b3cb-fbf64ff3c4d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:50.475206Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004961 |
| Status | PUBLIC |
Content hashes
| Canonical text | df0615553ffd5081c5a91d854f3cb7080cb93c89b6229833a7cd8419d9738f89 |
|---|---|
| Markdown | 91e7aeeff77d7051cae2de21210f96a061b1d5f4bd15e565a81f149eb51b2739 |
| Publication page | 59d3e87aaac5cc6fb38b146dddded34ccda289bc6389af2d24259065d33f4b99 |
| Manifest | d65cbbcca3df45b54f55c8fa217843bb7fe57f93a425d99295bc9ab8a943173c |
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 | bfj8sgb8K3sb9Bm+ROVlmJ1KNg1KQDUB05Vy9ycDWR+zqn+/rSQuwOHvcbwQUlPvq3nJqEPaJ+vcQTED+07HCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:30.621022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004961observed 59d3e87aaac5cc6fb38b146dddded34c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:30.484623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004961/manifest.jsonobserved d65cbbcca3df45b54f55c8fa217843bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:30.471466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004961/publication.mdobserved 91e7aeeff77d7051cae2de21210f96a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:30.459112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004961/publication.txtobserved df0615553ffd5081c5a91d854f3cb708...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. |
|---|