Carioca

Recording by Mary Lou Williams.

Recording identifiers

ISRC
FRZ025480050
CopyrightID (CopyrightChains transaction hash)
0xa00c00ffaddc1e38d1203afb131817b5210b2122d9af8a446f8cc375c9c97200
Copyright registration time
2026-07-07T10:52:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:bdb1399305aef6c26e51f92f17ae56ad60957572eb16a7d878c1ad01699891b2

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.