R and R

Recording by Charles Mingus.

Recording identifiers

ISRC
GBCWU1002817
CopyrightID (CopyrightChains transaction hash)
0x7d00fd01792dd9d5377c205cb32db7f2398d7a5b9a406f40f560e86518017292
Copyright registration time
2026-07-07T23:07:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:b74f2f8d580800bb0046ead42b00a29b476252cbb95daa2fdb4619fb547dbb7c

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.