Mysterious Blues

Recording by Charles Mingus.

Recording identifiers

ISRC
GBCWU1002815
CopyrightID (CopyrightChains transaction hash)
0x9736ab951e6cb07245d2ce5edc6233d7e871620a80c2801a9e545640ce69a370
Copyright registration time
2026-07-30T06:21:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:39:12Z
Bitcoin block
960216
Canonical record hash
sha256:61bac6a119998e4980ef4bf9ef1b7f3fd89f5b35d754310d989df17d43af6fb3

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.