約束の丘 (Album Version)

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPBV09208400
CopyrightID (CopyrightChains transaction hash)
0x455e3af25387e4cec80ece40ecacaafdd1b5f0cc1832adbf37ff6d56784e032b
Copyright registration time
2026-06-25T18:13:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0f3dfaa54c9c7f06c87da43da57859250f3fee8cb21be24485c818e341e38c63

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.