OT-2026-000020850
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000020850) never changes.
Identity and time
| Publication number | OT-2026-000020850 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7257-882e-1e032d277765 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020850 |
| Status | PUBLIC |
Content hashes
| Canonical text | c247c787a2d5730fffe34f89cd34477306b3140ddee2bac973b1cd9c0360ebea |
|---|---|
| Markdown | a4402ff29acb56fda795259853f3cf94c60fe22648fe1b26161b9110b93876af |
| Publication page | d1ed962fa6147fee7114abe30a25820ef453b976933b5d12423b92293020fa12 |
| Manifest | e5cef2a6587b2e4e3687ddf6ceed5e80db701adcbd7beb407b92f428eda25a8e |
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 | FBDtz+V9+xQWsxrFyZxgUiYxptJxUmqD8kuUFSwPBzIiQrZIyPTvzF2aAcde3j04JGSaDjzXOcDCVjZJi4WpDg== |
| 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
| 2026-09-17T11:55:56.932715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020850observed d1ed962fa6147fee7114abe30a25820e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:56.915794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020850/manifest.jsonobserved e5cef2a6587b2e4e3687ddf6ceed5e80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:56.898958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020850/publication.mdobserved a4402ff29acb56fda795259853f3cf94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:56.881125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020850/publication.txtobserved c247c787a2d5730fffe34f89cd344773...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
| Custody package | Pending Custody packages are produced weekly. |
|---|