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Recording by Astor Piazzolla.

Recording identifiers

ISRC
QMFME2118516
CopyrightID (CopyrightChains transaction hash)
0x46a178fdebdf732c06f467b4db68299aa2d4a6833fe8924e693ad3679aeeb2f2
Copyright registration time
2026-07-06T22:12:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3921246a316e718476f869ff64981cc00ee762cfd0e8dfc5c37e16db9b20d5ac

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.