Ruined Castle

Recording by Hideo Osaka Ensemble.

Recording identifiers

ISRC
USEEC0612164
CopyrightID (CopyrightChains transaction hash)
0xaa5d14e86f789a0ee9d1079cc4565fefdc7fca874979e5d38eb414cc597be8a3
Copyright registration time
2026-06-26T09:42:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:63893db9e928be88450dee094c0f451c7857f947730e8271a0f801e2763eb3aa

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.