Prelude No.1

Recording by Radio Orchestra Berlin.

Recording identifiers

ISRC
USA561010645
CopyrightID (CopyrightChains transaction hash)
0xe7b3505cc7906425451994858650600605aef827e911b5030aaec0073b3b5cef
Copyright registration time
2026-07-06T21:04:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e21521e4f6a44c4e67517e873f926078ccc3aee346d70226343304fbef26870d

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.