OT-2026-000002061
Publication integrity record
Runtime assessment of suction grasp feasibility
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-2026-000002061) never changes.
Identity and time
| Publication number | OT-2026-000002061 · never reused |
|---|---|
| Internal UUID | 01a0a67a-5abf-70e7-9f19-6cc925bd0973 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:31.615385Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002061 |
| Status | PUBLIC |
Content hashes
| Canonical text | d804f434f09dbb034ead0e34c7cb671e97bb03fae4b661f6fa5a3af6ae4ff568 |
|---|---|
| Markdown | 72ec9cb214ab5f00d7b4b28700af45a8a665e176781f97be08ed9f9952617e41 |
| Publication page | 93770bb80d8d53f70a85515b3a9b40dec6f843ce5742078fe05c13124f5e7864 |
| Manifest | 3daf73983cba69ef2a335e9dd200da59a9aa8a886a1fac3f9bd00a13b9225986 |
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 | HrXsqotBeXRqiR+3sYL16iH1ybyM/ZdkfvPaQVUTh8wtxLS7D1BEl8VIcQW+bxz0AQQIUXv4XnXixKyLpH02BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-26T00:42:04.062963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002061observed 93770bb80d8d53f70a85515b3a9b40de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T00:42:03.950703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002061/manifest.jsonobserved 3daf73983cba69ef2a335e9dd200da59...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:42:03.792137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002061/publication.mdobserved 72ec9cb214ab5f00d7b4b28700af45a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:42:03.617655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002061/publication.txtobserved d804f434f09dbb034ead0e34c7cb671e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:37.120005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002061observed 93770bb80d8d53f70a85515b3a9b40de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:37.107590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002061/manifest.jsonobserved 3daf73983cba69ef2a335e9dd200da59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:37.094462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002061/publication.mdobserved 72ec9cb214ab5f00d7b4b28700af45a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:36.994435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002061/publication.txtobserved d804f434f09dbb034ead0e34c7cb671e...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 |
|---|