Mr. & Mrs. Used to Be

Recording by John Prine.

Recording identifiers

ISRC
USA2A1604413
CopyrightID (CopyrightChains transaction hash)
0x85f9c7f7e6cda19c6aaba167a2f88e15fcce0307bb1ddc6ff52252cdea58a0cb
Copyright registration time
2026-06-18T10:26:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8053cab54e61dd20feb90f60b8593f9ae63bca8127c9bc202a533acbb23baaca

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.