OT-2026-000042865
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000042865) never changes.
Identity and time
| Publication number | OT-2026-000042865 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7961-8279-338aa792219f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042865 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf670b7f9ceea0f2540895f169cee6c2c99e82b8aebc39e88c18ef177808458e |
|---|---|
| Markdown | 9881b36d635a2830cdf3791961f8ef61661b6cb49118413e0a7fb65f30a1947a |
| Publication page | a065d1971b73fd8ed7d472aeaa55f1a16190776f204e57cf1330053baa5230ca |
| Manifest | fb8d055386167a7175558b19ab2dd63850a46b6b783a6851f84422c545319e1b |
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 | ThvDgwmwbfIQmtWqzLpGOebjdlIvaN6aZ5vd/Ibaibe3fDWxyo3Dbtru0skE6AQMjgKCNxjs/wZCButtrLzvAg== |
| 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
| 2026-10-21T08:42:17.127664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042865observed a065d1971b73fd8ed7d472aeaa55f1a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T08:42:17.058079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042865/manifest.jsonobserved fb8d055386167a7175558b19ab2dd638...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:42:16.979594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042865/publication.mdobserved 9881b36d635a2830cdf3791961f8ef61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:42:16.855107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042865/publication.txtobserved cf670b7f9ceea0f2540895f169cee6c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:48.249314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042865observed a065d1971b73fd8ed7d472aeaa55f1a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:48.200383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042865/manifest.jsonobserved fb8d055386167a7175558b19ab2dd638...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:48.141825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042865/publication.mdobserved 9881b36d635a2830cdf3791961f8ef61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:48.090395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042865/publication.txtobserved cf670b7f9ceea0f2540895f169cee6c2...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 |
|---|