National Emblem March

Recording by John Philip Sousa.

Recording identifiers

ISRC
USMZ41010006
CopyrightID (CopyrightChains transaction hash)
0x8dc04aefb79fd48c580f5bedfa9610073aef29437f31f16743d8ff64e75037bf
Copyright registration time
2026-06-24T15:58:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e3d099c4f131dd06c5adcea8ef97bfcc89b7ee40d29ef08616a94b786bd6d410

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.