Volver (Tango canción) - Voice

Recording by Carlos Gardel.

Recording identifiers

ISRC
USSM10001719
CopyrightID (CopyrightChains transaction hash)
0x7307ca90a98c6573ac24816ceec6b2554b59746ecaa6abd92d6f13455d63fd02
Copyright registration time
2026-07-07T04:40:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:10e989c44abaedd01fa4a7e9503eabd8fde79880b66e85cf6ef9609377a7c4d6

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.