Four

Recording by Miles Davis Quartet.

Recording identifiers

ISRC
USC4R1403048
CopyrightID (CopyrightChains transaction hash)
0x86fa0d9b61b48cb36a9b12c5fdf66f587981ad9bbe9bdc9ff7d76bd4789586e6
Copyright registration time
2026-06-21T21:04:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:635985f915ddaf8e2af9363d5b921bc264b5a7af0e35c2d9e568f0850325c1c7

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.