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Recording by Astor Piazzolla.

Recording identifiers

ISRC
DEA549800900
CopyrightID (CopyrightChains transaction hash)
0x448091b61ea5738fb151957fd061da9fb2f94d3b34b199ffd526a024ae28be8e
Copyright registration time
2026-06-25T22:26:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:89769d542c1f58d0205f5010009e9b10ef4b75d9d78ac363b9820900d7bd1d76

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.