OT-2026-000031054
Publication integrity record
Foam pad vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000031054) never changes.
Identity and time
| Publication number | OT-2026-000031054 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7980-b1bd-2b732be55cb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031054 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4ab5814899bd82d2b83ee821752d559653517d9aaef5630c96012655334f91e |
|---|---|
| Markdown | 14a15cf45e8ff17d5581022e1b131545bd6a9d091b70c3cfa8852d392fb54ab9 |
| Publication page | 2b666aadfe1accf35add89d5dfd78460d4f1090b510597794f524b1c7865d777 |
| Manifest | ca38859893d7493900166cdfbb66539ed81425d9b02060b0a7a8461d1d822855 |
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 | e+IoRVOMfHG9KYzXrBHeMXJOe/e8zzFv/N5TH7aqGqnI855NN3vHo5Krps/ZYCDOiBbRFe7CI6Xj20HGwxyvBw== |
| 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
| 2026-10-21T04:41:34.151538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031054observed 2b666aadfe1accf35add89d5dfd78460...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T04:41:34.058630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031054/manifest.jsonobserved ca38859893d7493900166cdfbb66539e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:34.005424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031054/publication.mdobserved 14a15cf45e8ff17d5581022e1b131545...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:33.907684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031054/publication.txtobserved e4ab5814899bd82d2b83ee821752d559...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:03.833881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031054observed 2b666aadfe1accf35add89d5dfd78460...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:03.784760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031054/manifest.jsonobserved ca38859893d7493900166cdfbb66539e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:03.734856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031054/publication.mdobserved 14a15cf45e8ff17d5581022e1b131545...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:03.681299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031054/publication.txtobserved e4ab5814899bd82d2b83ee821752d559...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 |
|---|