Mildred, Mildred (Demo) [Bonus Track]

Recording by Yoko Ono.

Recording identifiers

ISRC
US38W1728419
CopyrightID (CopyrightChains transaction hash)
0x638cc79741822ed4db1eb9b4ceb293675ab94d6f44a54431807b5ae1dad7148f
Copyright registration time
2026-07-31T14:59:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:401fb1e737358ebd15f3a1fc76403e9baf551c1073c92e7deadffaecc17f472d

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.