OT-2026-000004620
Publication integrity record
Vacuum cup gripper, six outlet manifold, plant vacuum fed, pressure verified, 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-2026-000004620) never changes.
Identity and time
| Publication number | OT-2026-000004620 · never reused |
|---|---|
| Internal UUID | 01a0a91d-f1fa-77e7-881e-1a8a87527b41 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:27.132886Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004620 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2287e127ef5550380b756c2b1bda902f5ab23e1e4d055abf5f6a10ac37ad412b |
|---|---|
| Markdown | 5e66ca16013d1872e78b6dc759d01917f4cb2462de68c63148880fb2feaddcad |
| Publication page | cd199877043e48fe141edb0e45a95c210f36b3116925676e83edb3687fd9d70f |
| Manifest | a61c845b58b73d1112079309c946f8e7877c324807de5a0790533763a8992040 |
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 | 2iovVsFl73bccYAZaaIGVd0cPZ51U7VsaSS4cAWzJhkyaGJpOWoz+mFZ4i3Fo4cuEBvP7UtyhFNuBbao6puhAw== |
| 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
| 2026-09-16T07:30:08.370833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004620observed cd199877043e48fe141edb0e45a95c21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:08.238226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004620/manifest.jsonobserved a61c845b58b73d1112079309c946f8e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:08.224525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004620/publication.mdobserved 5e66ca16013d1872e78b6dc759d01917...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:08.212077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004620/publication.txtobserved 2287e127ef5550380b756c2b1bda902f...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. |
|---|