OT-2026-000021561
Publication integrity record
Single cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000021561) never changes.
Identity and time
| Publication number | OT-2026-000021561 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-72ff-b513-45454fe6798e · 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-2026-000021561 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5715d632a5bd0f969ca89e9adaf4d1064a3870e60bb1b043c225bd37894db8bc |
|---|---|
| Markdown | f54d7e63c876bc66a7aec6d0622e73cad9d5c216b0239c46e713cde1aa56ac07 |
| Publication page | c5cd9fc15658c6360ee365a52104f3ceeb983a0867aa7f51862cb464da6cfcb5 |
| Manifest | 42cf10e34b2cff7ee0baf764614002fe157069488aa02103e74f1d3969a1b822 |
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 | 2FuyPJMjZIk97rm3KxYauGWV4PwDlIWO6isnXb2y9dI8P8bwOSMVXBTq7Aaj7X7b9leIl6p8/Ls8ab0utelrBg== |
| 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
| 2026-09-17T11:55:28.895880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021561observed c5cd9fc15658c6360ee365a52104f3ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:28.879371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021561/manifest.jsonobserved 42cf10e34b2cff7ee0baf764614002fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.863870Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021561/publication.mdobserved f54d7e63c876bc66a7aec6d0622e73ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.845298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021561/publication.txtobserved 5715d632a5bd0f969ca89e9adaf4d106...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. |
|---|