Blue & White

Recording by Duke University Marching Band.

Recording identifiers

ISRC
USMZ41200115
CopyrightID (CopyrightChains transaction hash)
0x24af3503daeb9a16c4b30b02eecf45114e3922688a258b1480270da6d8ed8dec
Copyright registration time
2026-07-29T18:16:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:e922ed6cbf5b0973126799fc5cef3b52679945638adcb0f4dc538288fcd77040

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.