天と地との扉

Recording by Takafumi Wada.

Recording identifiers

ISRC
JPE301800685
CopyrightID (CopyrightChains transaction hash)
0xbbc61be70f4e9d8093b164ac44df6f8aa8842b6acd8bcf2d127c67e5262a5e24
Copyright registration time
2026-06-26T20:57:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:582c54fa05b1467274ddeccfda49e25cb5ee11d8dbdac007e947b5e2bb4c4de3

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.