Both Sides Now

Recording by Joni Mitchell.

Recording identifiers

ISRC
AUAB01150260
CopyrightID (CopyrightChains transaction hash)
0x5d0286f20451f0d254226b6afba595e44d97531a9e9692660f679fde7f9a1e59
Copyright registration time
2026-07-07T17:12:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9bd6162e5017b56886186945729caade27cbbad1e8f42b0cf951c3a7aa7552e5

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.