Tango Bolero

Recording by Brita Borg.

Recording identifiers

ISRC
SEUM71200419
CopyrightID (CopyrightChains transaction hash)
0xb16af86cb78175a30befbf824b05e494ec85057e2cb59fc634b725196662649a
Copyright registration time
2026-07-07T20:29:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:02f0a403e201be64510559d7aae7f79a6bc1de933fb6e1f6243068c04c80b144

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.