OT-2026-000047031
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed 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-2026-000047031) never changes.
Identity and time
| Publication number | OT-2026-000047031 · never reused |
|---|---|
| Internal UUID | 01a0ae7e-d0f7-7658-a0b5-b1506cebac58 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:32:21.770727Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047031 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cbe6ed40514cc8d467c6ee2bd989b21146df3a672bd585a1eb6924b3764cb4b |
|---|---|
| Markdown | 04af57945ae14a794d30750041aca63247af6ae5aa5414430aba76d5b3b5bf57 |
| Publication page | e3753d31a3c9adabaad5acd70b1addbc52a495c13f41ab29acb2d48c41d605c4 |
| Manifest | a221462a40bb2c20e7cbd14d4bafe9e01974c60bfa1c7b131818212c211396ee |
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/SfYi+lvX72O9fgn8WvG2ebkWx8Y+jEsfflrSnr/CyUY0LfmQ4xzNpGLAsg49OKwaxyAapNg5P1CSzZv+qJDw== |
| 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
| 2026-10-30T00:41:02.179867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047031observed e3753d31a3c9adabaad5acd70b1addbc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T00:41:02.119223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047031/manifest.jsonobserved a221462a40bb2c20e7cbd14d4bafe9e0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:02.039183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047031/publication.mdobserved 04af57945ae14a794d30750041aca632...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:01.954378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047031/publication.txtobserved 1cbe6ed40514cc8d467c6ee2bd989b21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:10:18.986839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047031observed e3753d31a3c9adabaad5acd70b1addbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:10:18.967487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047031/manifest.jsonobserved a221462a40bb2c20e7cbd14d4bafe9e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:10:18.949718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047031/publication.mdobserved 04af57945ae14a794d30750041aca632...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:10:18.930986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047031/publication.txtobserved 1cbe6ed40514cc8d467c6ee2bd989b21...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|