Sister

Recording by Mac DeMarco.

Recording identifiers

ISRC
QMMZN1701304
CopyrightID (CopyrightChains transaction hash)
0xa69d04aa0b58457e4fb6ddaf47bb44e65cfb9be63e81c25b58c1f923fa248df4
Copyright registration time
2026-06-04T09:20:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:a34a00845c191c8f0704f1dfaf6b5d7dca33cf119da3e0a91e9d844e41e272e1

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.