やまのおんがくか

Recording by 大和田 りつこ.

Recording identifiers

ISRC
JPCR09701510
CopyrightID (CopyrightChains transaction hash)
0x0c3f2dfb505122c8725471122c4038a095cc30104031ba5fb0a1475b74c61994
Copyright registration time
2026-07-30T05:32:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:43:45Z
Bitcoin block
960212
Canonical record hash
sha256:82017214ef442bf0f8871b26bbff536a867f3a9abee88d1b342ff418e286cd6c

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.