Hog Calling Blues

Recording by Charles Mingus.

Recording identifiers

ISRC
USAT20103206
CopyrightID (CopyrightChains transaction hash)
0x72c5204c1b60e0bc7786e0f9d6fe1e46bad58901001cc102fd544648dfad21da
Copyright registration time
2026-07-03T10:24:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:b1cecd496b95e9ce679eddd4a446c37a34209788eb2462abacc26777d5a38e99

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.