OT-2026-000032221
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000032221) never changes.
Identity and time
| Publication number | OT-2026-000032221 · never reused |
|---|---|
| Internal UUID | 01a0ae74-f7a7-7a17-8428-3399c55de5ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:36.332587Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9776a6492d477d6ca08469a5c4dc55f4fba1ad5e43c5a3fd3dd89e9fea6c9b40 |
|---|---|
| Markdown | 562130237b13b1053a0cc0b4f6b298b2ff46aeeacfc536f579b7f624359a0a4e |
| Publication page | a7a8cd820f0967833df531bcb94fce47b6269157b1d2b9bb105032ee1dc3d6f4 |
| Manifest | 83e87884bb7cd8ac7a7f08b5740d2e9c03cb86ea9771c9dcdda67fb0b63aa7cc |
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 | 0LeLkw5Yjqms9gupDiWKA/0FNwFz1fGowxET5DZCE0eK7VAtVhQWhSYQKK5rXRGcy+16fzDSLuzutxEvBDAZBg== |
| 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
| 2026-11-02T04:41:05.096964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032221observed a7a8cd820f0967833df531bcb94fce47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T04:41:05.021491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032221/manifest.jsonobserved 83e87884bb7cd8ac7a7f08b5740d2e9c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:41:04.949891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032221/publication.mdobserved 562130237b13b1053a0cc0b4f6b298b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:41:04.869800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032221/publication.txtobserved 9776a6492d477d6ca08469a5c4dc55f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:03.848057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032221observed a7a8cd820f0967833df531bcb94fce47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:03.773197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032221/manifest.jsonobserved 83e87884bb7cd8ac7a7f08b5740d2e9c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:03.705306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032221/publication.mdobserved 562130237b13b1053a0cc0b4f6b298b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:03.622621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032221/publication.txtobserved 9776a6492d477d6ca08469a5c4dc55f4...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 |
|---|