OT-2026-000021990
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000021990) never changes.
Identity and time
| Publication number | OT-2026-000021990 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7215-910f-b6e1195857eb · 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-2026-000021990 |
| Status | PUBLIC |
Content hashes
| Canonical text | b41c64d1bbb5b5ac6eea0569f705239812f4ea10006548a851145cdb1f31e400 |
|---|---|
| Markdown | c9aa0a13a126b455021bf37f7eba74a8fd7f631b5a01b1314026f1a906c28622 |
| Publication page | 7b0de6c80b52a671f58443354d4d8566cf3aa7011dbb5764a641ab82a86b211b |
| Manifest | 8f6294eb7587904629793714ff64f8d0d1971eecec2aa14aa5975a5c4f7734c1 |
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 | Nu3GDtH3ms+jB40p2eZEVl8wxULSIbMpMjQOK/9B7oIfRJfsQLtPcXEFd8Hgm8PMSSahsuZzjKdXtDOIpCsfBA== |
| 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
| 2026-09-17T11:54:39.956859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021990observed 7b0de6c80b52a671f58443354d4d8566...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:39.937685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021990/manifest.jsonobserved 8f6294eb7587904629793714ff64f8d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.917584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021990/publication.mdobserved c9aa0a13a126b455021bf37f7eba74a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.899226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021990/publication.txtobserved b41c64d1bbb5b5ac6eea0569f7052398...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. |
|---|