Tango. 2/4, 32 Measures, 8-8's

Recording by Finis Jhung & Bill Brown.

Recording identifiers

ISRC
USJ3V1065682
CopyrightID (CopyrightChains transaction hash)
0x41ac90bb156308aebb51ee5f0cc7ae2a42f43bdc298a11401ce064223fd0c339
Copyright registration time
2026-06-23T20:17:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:70127a1149754f47c1bee1231fbd36bbbee5cc8ead2b36b9c7b70a6b61131656

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.