Why - 12" Version

Recording by Carly Simon.

Recording identifiers

ISRC
CAU111300731
CopyrightID (CopyrightChains transaction hash)
0xa30211c28f0c3869e04958d92353e1be8171b435bb28eb9b41f833979faef505
Copyright registration time
2026-06-05T20:55:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0b90ccd23891792a90ffd7b35825f9a491d092de3c28db1229409dc49da40a73

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.