OT-2026-000090617
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off 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-2026-000090617) never changes.
Identity and time
| Publication number | OT-2026-000090617 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-79fd-b2c7-d0550ce9f1e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090617 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4180f24775c9e8f979779a283973411255292e1286016d35b6edabfb4454586 |
|---|---|
| Markdown | 8ed9ea13a59834d42d89f67e2e6632aaef7fdf7b5dc996824b7832a13203cb57 |
| Publication page | 4022ee561d9a28ec09d6af92adb80a74993738d551c13b385fef4bfcb601e535 |
| Manifest | f898a4f186d13118a123b3499091cf45ec0ffc3a3f9912ed570e122dde94b3c8 |
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 | ib0a4JWqCS+3nwyGlM831QtsGtBbN0g3VdGu45uF90O0JXD9O0e9wvjg8fMwxBlZiaDIZqvRQi8ZkveI3+4LAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-11-02T00:41:52.282833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090617observed 4022ee561d9a28ec09d6af92adb80a74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T00:41:52.234945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090617/manifest.jsonobserved f898a4f186d13118a123b3499091cf45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T00:41:52.185461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090617/publication.mdobserved 8ed9ea13a59834d42d89f67e2e6632aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T00:41:52.021584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090617/publication.txtobserved b4180f24775c9e8f979779a283973411...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T00:41:09.660889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090617observed 4022ee561d9a28ec09d6af92adb80a74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T00:41:09.581729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090617/manifest.jsonobserved f898a4f186d13118a123b3499091cf45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T00:41:09.500506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090617/publication.mdobserved 8ed9ea13a59834d42d89f67e2e6632aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T00:41:09.354075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090617/publication.txtobserved b4180f24775c9e8f979779a283973411...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 |
|---|