Entropy

Recording by Kyūka.

Recording identifiers

ISRC
GB72R2200003
CopyrightID (CopyrightChains transaction hash)
0xd3ab343aa99530b013ab03a4efbc7a02c7fe74f4f5976574aa4ad65f67ec76ba
Copyright registration time
2026-06-05T19:33:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:bb87cb6f07d96bb92ba28bd1e80a458af18e7446fc2d33e01c5dfd737662f931

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.