LAST CHRISTMAS SONG

Recording by Mari Hamada.

Recording identifiers

ISRC
JPVI08908100
CopyrightID (CopyrightChains transaction hash)
0x30b1366357b8ac4cc2c93cf9a96ad035acd818aaa068ce2e0a007a0cb17832cb
Copyright registration time
2026-06-19T22:58:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:59d0b558bb2322ef18789c2d2498dd0624788e0b4df145b88472bf4dccb1d096

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.