Piano: Bipolar Nightmare

Recording by 帆足圭吾.

Recording identifiers

ISRC
JPA841801465
CopyrightID (CopyrightChains transaction hash)
0x8fce93a5fdb5687c125356238a8f53946c458595d1f7a7d753883a16ca50001b
Copyright registration time
2026-06-09T16:50:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:59d00da124cdfbe884e11228645b17cefe6d87bb1bf296feaf77f162515438e3

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.