# ResDAC / CMS claim-reference governed source-asset ledger

`medicare_silver.resdac_claim_reference_source_asset` · Medicare Advantage, Part D, Medicaid · status live · 43 rows

Content and rights ledger for four public CMS claim CodeSystems, all 25 recovered CMS Medicare Provider and Supplier Taxonomy Crosswalk revisions, 11 exact NUBC/AMA/ADA source limits, and three pointers to independently mastered Vlada sources.

**Grain.** One row per governed corpus snapshot and acquired, source-limited, or existing-overlap asset.

| column | type | meaning |
|---|---|---|
| corpus_snapshot_date | date |  |
| asset_id | string |  |
| family | string |  |
| release_date | date |  |
| schema_era | string |  |
| asset_status | string |  |
| license_class | string |  |
| maintained_by | string |  |
| asset_url | string |  |
| final_url | string |  |
| file_name | string |  |
| byte_count | bigint |  |
| asset_sha256 | string |  |
| bundle_member | string |  |
| payload_acquired | boolean |  |
| existing_vlada_overlap_source_id | string |  |
| source_limit | string |  |
| is_current_release | boolean |  |
| quality_flags | string |  |
| is_analytics_eligible | boolean |  |
| observed_period | date |  |
| asserted_at | date |  |
| effective_period_start | date |  |
| effective_period_end | date |  |
| cms_vintage_sequence | int |  |
| parse_revision | int |  |
| parser_artifact_hash | string |  |
| source_url | string |  |
| sha256_content_hash | string |  |
| source_id | string |  |
| is_current | boolean |  |
| bronze_object_key | string |  |
| s3_version_id | string |  |
| vintage_tag | string |  |
| drug_source_version_id | string |  |

Query it: `query_substrate` with `SELECT ... FROM medicare_silver.resdac_claim_reference_source_asset WHERE ... LIMIT 100`; read `describe_data_source("medicare_silver.resdac_claim_reference_source_asset")` first.
