OT-2026-000021643
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000021643) never changes.
Identity and time
| Publication number | OT-2026-000021643 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7fb4-a35b-cfd3255c4c48 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021643 |
| Status | PUBLIC |
Content hashes
| Canonical text | 23d740d7a58cd02e16bc77de074ec442f9dc1fac89851a916098cacbe4346482 |
|---|---|
| Markdown | e53d7733af879f7d0b7b5831933b6f1a47da62dbebc30634816e57ee6a3d8cb0 |
| Publication page | 9bb2001732bd6a29aca182bd2a3f193a6b12eec23a60b168ecb5aa0d1c740753 |
| Manifest | d64ee1478daa47bfc1385d07b386105405c684414e0c2806310c779771efedb6 |
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 | lZHgNRnRDjbZTY+xgG2H1jT0jt+dRv72eIcpHI/fs/lVUs+6gjw2qNBiy0LJW0LA7v8u6duxniuz0ZXCFN/PBA== |
| 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
| 2026-09-17T11:54:10.850457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021643observed 9bb2001732bd6a29aca182bd2a3f193a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.833220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021643/manifest.jsonobserved d64ee1478daa47bfc1385d07b3861054...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.817147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021643/publication.mdobserved e53d7733af879f7d0b7b5831933b6f1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.800567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021643/publication.txtobserved 23d740d7a58cd02e16bc77de074ec442...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. |
|---|