Bachianas brasileiras No. 5: II. Danca (Martelo)

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
HKI190554511
CopyrightID (CopyrightChains transaction hash)
0xcda087d8f9ae673a1f167d1f5ce38ffa806d9cd1a934ddb02457f1c49c924e90
Copyright registration time
2026-07-07T14:45:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8825f07686b1624936713af1aebd9ed6513cd049f0ffd473bcbbe279502ef2af

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.