OT-2026-000012017
Publication integrity record
Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000012017) never changes.
Identity and time
| Publication number | OT-2026-000012017 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1943-748b-9680-a3834b02eae9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012017 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56c270ee90ff594767efcb20c17d5d2d878e055d0ce9ec1c101eec80880be869 |
|---|---|
| Markdown | a456f05c3b18496d99d04e9684cda48b7b5e31187d1eafc14699e831b1434a93 |
| Publication page | 6aa6a7f505460639100351566ca99b21c47af912554f7933dfc5189b6f3d33b6 |
| Manifest | f19a87951e69ef7ad3188f316121a345a0843822a3d2c5cb5f8a60bfa237e22b |
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 | F6CrHG3iGL2d6LYp+xrqdw4QB5y3wjz3gwAJWLIfkG2BLh9OVx94DnNqxQ92nCwgHT5I4X7PsSPs8ic2SH4DCg== |
| 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
| 2026-10-22T00:41:57.828739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012017observed 6aa6a7f505460639100351566ca99b21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T00:41:57.773710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012017/manifest.jsonobserved f19a87951e69ef7ad3188f316121a345...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:57.722482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012017/publication.mdobserved a456f05c3b18496d99d04e9684cda48b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:57.650020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012017/publication.txtobserved 56c270ee90ff594767efcb20c17d5d2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:19.483243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012017observed 6aa6a7f505460639100351566ca99b21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:19.394266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012017/manifest.jsonobserved f19a87951e69ef7ad3188f316121a345...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:19.285113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012017/publication.mdobserved a456f05c3b18496d99d04e9684cda48b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:19.118749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012017/publication.txtobserved 56c270ee90ff594767efcb20c17d5d2d...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 |
|---|