Bolero Blues

Recording by Jorge Helder.

Recording identifiers

ISRC
BXSVC1901751
CopyrightID (CopyrightChains transaction hash)
0x728666e25a0acbfd93a5d72c6d73762a323b991d4b9bab2c657ccc963b00ae37
Copyright registration time
2026-07-07T14:40:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:78ce040fa875b403a5547e17ed495840bdcb272e387d5ef2ca03b18d4ba6c8d3

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.