Provenance

Unified substrate MRF version ledger

dim_substrate_mrf_version·live·registry

Rows

N/A

Columns

N/A

History

N/A

Card

nocolumns only

Typed tools

What it is

1Substrate-wide audit chain: every fetched MRF (commercial / hospital / medicare) gets a row with content hash, raw S3 key, parser artifact hash, and first/last-seen timestamps.
2The provenance backbone for receipts + replay.

Grain

Key	Grain
N/A	1One row per (substrate, natural_key, content_sha256) observed MRF file.

Columns (0)

Columns are not in the catalog for this source; describe_data_source("dim_substrate_mrf_version") reads them live.

Query it

describe_data_source(source_fqn="dim_substrate_mrf_version")     # the card, live
query_substrate(sql="SELECT * FROM dim_substrate_mrf_version WHERE <filter> LIMIT 100")

Item	Value
Typed tools that read it	none; raw SQL
Identity key	`content_sha256`
Join	`how_to_join(source_fqn="dim_substrate_mrf_version")`
Raw door	Postgres vlada_enterprise: dim_substrate_mrf_version
Note	dim_commercial_mrf_version is a back-compat view over this table.

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