OT-2026-000006220
Publication integrity record
Vacuum cup gripper, three zone face, ejector fed, contact triggered, vented before set down
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-2026-000006220) never changes.
Identity and time
| Publication number | OT-2026-000006220 · never reused |
|---|---|
| Internal UUID | 01a0a953-6204-745f-bac2-46a3938b10b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:26:49.223214Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006220 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0bcaa89c47a430737b350e699de32346f8ec405a197abbd31035b46a17c5d29b |
|---|---|
| Markdown | f87e01e8e9b9e04ddd6be6160e4b863e310a7b0a26d0b8484ad91331b62a8e68 |
| Publication page | c50008cd6e479e69eceaac3f39827d28db362cf469b5be624b8a8645a3a59769 |
| Manifest | 4d548978ba6272b5d2c04a9e25b5aa168b320d05246a2af4a6b1618ecb2d0d3c |
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 | zGayszUulyl7HofpIsbEzP8ZTtx0+57NmPuJDQKwhJIlR3+1SmRNH6//MibvnrIFF0/PDQO68s8p3mBSVthhDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-10-17T12:41:12.311415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006220observed c50008cd6e479e69eceaac3f39827d28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T12:41:12.261436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006220/manifest.jsonobserved 4d548978ba6272b5d2c04a9e25b5aa16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T12:41:12.214715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006220/publication.mdobserved f87e01e8e9b9e04ddd6be6160e4b863e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T12:41:12.041495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006220/publication.txtobserved 0bcaa89c47a430737b350e699de32346...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:25.835241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006220observed c50008cd6e479e69eceaac3f39827d28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:25.760305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006220/manifest.jsonobserved 4d548978ba6272b5d2c04a9e25b5aa16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:25.599261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006220/publication.mdobserved f87e01e8e9b9e04ddd6be6160e4b863e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:25.378107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006220/publication.txtobserved 0bcaa89c47a430737b350e699de32346...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 |
|---|