{"canonical_id_v02":"01f5817dface","identity":{"artist":null,"game":"pokemon","grade":"raw","image_url":null,"locale":"en","name":"Bulbasaur - 037","number":"037","rarity":null,"series_slug":"me-mega-evolution-promo","set_name":"Me Mega Evolution Promo","set_slug":"me-mega-evolution-promo","vintage":"nascent"},"meta":{"build_inputs_sha":"27f56537cb13c4fa","confidence_tier":"T1_sales_derived","generated_at_utc":"2026-09-11T10:10:11Z","methodology_version":"v0.7","schema_version":"0.2.1"},"narrative":null,"price":{"bid_ask_spread_pct":null,"by_printing":{"Foil":{"buylist":null,"fetched_at_utc":"2026-09-10T16:38:13.015900+00:00","listed_median":30.05,"market_price":27.25}},"cohort_relative_zscore":null,"condition":"Near Mint","condition_basis":"TCGplayer market price per printing; the vendor's per-SKU history reads the same value for the Near Mint SKU (fu396/fu397/fu398 probes, two strata: 8 games, 43 rows at >= $5 — nearest condition NM 42/43, cent-equal 28/43, misses <= 2.2%; 5 games, 28 rows at >= $0.50 on year-old groups — nearest NM 27/28, cent-equal 16/28, misses <= 9.3%, the one miss a $1.29 card whose condition SKUs sit within cents; pooled nearest NM 69/71, Wilson 95% ~90-99%; a sample, not a 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gy_version","meta.schema_version","meta.confidence_tier","meta.generated_at_utc"],"reading":"`provenance_fields` lists the provenance keys THIS record actually carries, derived from it rather than written down: the price.* entries name the OBSERVATION, the meta.* entries identify the BUILD and the RULE that derived it. The witness chain carries the per-day envelope with its own code_commit and prev_hash. Every field here is served verbatim from the build shard — this block points, it never restates."}}