丘を越えて

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI09005140
CopyrightID (CopyrightChains transaction hash)
0x2e51f3759502ee445cc63db18e7756ff3ca873f79d19b5ae654c94eed9a74357
Copyright registration time
2026-07-05T16:45:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:9cc0b4a37564aaf6fad291412fe2728d250de7d80d109335cb2f18df0161fc11

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.