Tango Remembrances

Recording by Astor Piazzolla.

Recording identifiers

ISRC
USSM19702279
CopyrightID (CopyrightChains transaction hash)
0x663a2279a901b810c614cd8be49ea3d5121443c99ed8477318258dbef07f7262
Copyright registration time
2026-06-26T10:43:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:89b7490d19e1c13ebafee48a14e8a1ca0a016d27989a27f00034d3e6fd7992e6

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.