OT-2026-000048703
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000048703) never changes.
Identity and time
| Publication number | OT-2026-000048703 · never reused |
|---|---|
| Internal UUID | 01a0ae80-c32b-7168-bcfc-3b5424b32fa7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:29.321882Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048703 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7191d3e772a2f2bd8ccb094ffe3a5ed3b878fbd8b7f7f4d7567044eb8d384937 |
|---|---|
| Markdown | 48b11bb1ea2aea3e85c1043cae9df8cc2136d04a69c6dcf7a5557a9ca2083b2c |
| Publication page | 79ccec4e1884e78815497e247c69c694a0b2f516cab313a9097c96b6e14c14a6 |
| Manifest | fed423fccb0d0ea50b754f6d0615632370f6bc11a2761d33558319ecc2f0fb2c |
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 | pk9Upga4wygwazCHI/ZAw1rDU1M0R04dcrWs3lN6u5/g62ipkhaFHlClwDMzuMQws09DknQ9WZwn6RjWsfLyAw== |
| 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
| 2026-09-17T16:42:39.945949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048703observed 79ccec4e1884e78815497e247c69c694...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:42:39.632681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048703/manifest.jsonobserved fed423fccb0d0ea50b754f6d06156323...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:39.319154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048703/publication.mdobserved 48b11bb1ea2aea3e85c1043cae9df8cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:38.978448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048703/publication.txtobserved 7191d3e772a2f2bd8ccb094ffe3a5ed3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:20.388476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048703observed 79ccec4e1884e78815497e247c69c694...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:20.368498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048703/manifest.jsonobserved fed423fccb0d0ea50b754f6d06156323...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:20.347853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048703/publication.mdobserved 48b11bb1ea2aea3e85c1043cae9df8cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:20.329549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048703/publication.txtobserved 7191d3e772a2f2bd8ccb094ffe3a5ed3...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. |
|---|