Used to Love You

Recording by Marcus Johnson.

Recording identifiers

ISRC
USHM90920064
CopyrightID (CopyrightChains transaction hash)
0x94e77ab2dec8b26835795cd4efe0c5ad95a42084a98f7211a696d1ca0c085a1a
Copyright registration time
2026-07-30T10:29:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T10:42:33Z
Bitcoin block
960247
Canonical record hash
sha256:926d7386244d16a92b955ed8246da2c76ab9b2af394df5e7ee78b91efe270ef0

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.