The Boys of the Old Brigade

Recording by John Philip Sousa.

Recording identifiers

ISRC
USMZ41010003
CopyrightID (CopyrightChains transaction hash)
0xf8e9401d752df26ce7e67a31ef75391e173df1bbc5d72f67e968c7586be8151f
Copyright registration time
2026-07-06T10:07:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:87914fb07bbaea3a5f4910265c4289075a1e2c80752ea097f12e52a5686b6d8d

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.