OT-2026-000028801
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028801) never changes.
Identity and time
| Publication number | OT-2026-000028801 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-70b2-a643-dd12c3e02a48 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028801 |
| Status | PUBLIC |
Content hashes
| Canonical text | a51b798604e6f0be31d5cd9996827c06cf939a2925fab5e1c44f62cbdaf992d2 |
|---|---|
| Markdown | 869941aae316b3c942224dfb562beae78aedb4ccdff3678d4d60042647c86a3e |
| Publication page | 6a21913fa683ab3b20c8e545cdda0b41c4ab71cd60fc0a257700890eabf178bf |
| Manifest | d257e0a8a35f133005e042e2214536a9ae6a4b2a306827653690bb7e5aeee30c |
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 | sp5Ewn5UG2h7pp01BPjwPFUO+IDv5wmhs2IGTwnYe7Liom9jRHgO1WKYGIjopsHIzB78rHZNg/EUWLOaFV0SAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:03.508060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028801observed 6a21913fa683ab3b20c8e545cdda0b41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:03.490225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028801/manifest.jsonobserved d257e0a8a35f133005e042e2214536a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:03.473002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028801/publication.mdobserved 869941aae316b3c942224dfb562beae7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:03.452191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028801/publication.txtobserved a51b798604e6f0be31d5cd9996827c06...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. |
|---|