スポーツ行進曲

Recording by Toshiro Mayuzumi.

Recording identifiers

ISRC
JPG201821578
CopyrightID (CopyrightChains transaction hash)
0x6b6f456f75c3972726b6769a51f920f8e54c52eadaf13b536bcc97fae85a1bc3
Copyright registration time
2026-07-06T18:33:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:98035c2e0b6ac5a494a08f0e2ff475cdece010b1eec7e00d6a79276956718e04

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.