prelude to Act 2

Recording by 梶浦 由記.

Recording identifiers

ISRC
JPE301302935
CopyrightID (CopyrightChains transaction hash)
0x4a7e757d6dbeeff63579157d4c54ba4698e405a74818b77325e8da7fd41d5da9
Copyright registration time
2026-06-09T07:01:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a2e125ac2e43d13093ef6933616f1ff962e244c30576413460581d639aa67b84

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.