OT-2026-000047403
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000047403) never changes.
Identity and time
| Publication number | OT-2026-000047403 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-3e57-7138-a9d1-a31cc246b13e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:32:49.774666Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047403 |
| Status | PUBLIC |
Content hashes
| Canonical text | 069b7f348c5952f38c9a026bc6f45bf41726bd4b46ad3939b7b936b53fb10519 |
|---|---|
| Markdown | f7b0af002ec48cd057192a0fb132a7c5e2948cbd2e434de6532fc4d432e759d9 |
| Publication page | fb39dcf69e71c8b3ee132ef61952767820eb93dbb9e35383d6b24ddcc3d6bc19 |
| Manifest | e9736f8c329fb9ab0399658dc266a130a029f1105d144a33b5a202fe12365df5 |
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 | DN7VlTzx+DNkz77r5WUqcu0JdVavQHwxbKq0wmmZzQAsI7yiQR78ryad2nsaF/hWnnkExx7I1czppuf82BtEDQ== |
| 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
| 2026-10-01T04:41:52.906530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047403observed fb39dcf69e71c8b3ee132ef619527678...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T04:41:52.830063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047403/manifest.jsonobserved e9736f8c329fb9ab0399658dc266a130...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:52.761508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047403/publication.mdobserved f7b0af002ec48cd057192a0fb132a7c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:52.687144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047403/publication.txtobserved 069b7f348c5952f38c9a026bc6f45bf4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:28.332184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047403observed fb39dcf69e71c8b3ee132ef619527678...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:28.281112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047403/manifest.jsonobserved e9736f8c329fb9ab0399658dc266a130...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:28.233979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047403/publication.mdobserved f7b0af002ec48cd057192a0fb132a7c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:28.150553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047403/publication.txtobserved 069b7f348c5952f38c9a026bc6f45bf4...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|