Reprise

Recording by 馬場智章.

Recording identifiers

ISRC
JPPO02402911
CopyrightID (CopyrightChains transaction hash)
0x4fef0b39eb3d1be8b1a675c9350eac5d98e9e2b9cfdeacba7536b8c3d65ca963
Copyright registration time
2026-07-06T07:40:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T11:43:09Z
Bitcoin block
957032
Canonical record hash
sha256:fb4b5bace83dafdbecde5c1039b9baab167bda8f366af9d27c91ed64d89037a8

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.