OT-2026-000021347
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000021347) never changes.
Identity and time
| Publication number | OT-2026-000021347 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-74f0-b838-dce263aecb64 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021347 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81dd4a2ec72b109000733d56e983d19c8046ee2c3962d7a7d1e24e27672706b4 |
|---|---|
| Markdown | a828de7217411c5f23ae668065c62f9066b835288528f66a3485ae2434f8e578 |
| Publication page | 63cad8b55e09bf4a4f5eb6418aeb9203bb4560bad2adf7e0e58a6005547321bf |
| Manifest | e33dbecacab4c8aee9270f52c2fc9c81674b79071cae60d842e2fe617b2d0ffe |
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 | NpreNTRLTZlxAPZNRHTfJlGij51Z7uUIcjOy4aSpMiffafd+7MY4BFn3JlXYyBQjw7qXdi9E97wwWCNJ2Cb/Dg== |
| 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
| 2026-09-17T11:55:12.104455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021347observed 63cad8b55e09bf4a4f5eb6418aeb9203...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:12.086260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021347/manifest.jsonobserved e33dbecacab4c8aee9270f52c2fc9c81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:12.067469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021347/publication.mdobserved a828de7217411c5f23ae668065c62f90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:12.047532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021347/publication.txtobserved 81dd4a2ec72b109000733d56e983d19c...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. |
|---|