Blue Sound / Note 3

Recording by Joe Zawinul.

Recording identifiers

ISRC
DEA310500192
CopyrightID (CopyrightChains transaction hash)
0x1840584c10db36fc0d8a43e92f1f52956d2f5d071996156217a42d11fc7b5ec2
Copyright registration time
2026-07-07T13:24:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d5f9b1795b86aceba16c21442f485e612a2a273e38cfbe65bf1d898c8a30108f

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.