Prelude, Op. 73

Recording by Mana-Zucca Cassel.

Recording identifiers

ISRC
ES59G2110501
CopyrightID (CopyrightChains transaction hash)
0x2f525d01dcea0f168e70f641b013bfc414147d01f546a5ce2f7e9a14aa01f458
Copyright registration time
2026-07-06T05:46:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:c589c878a0097708ae7d62dbe7337e2d86d017ce7e2597f2be7c85662347d19d

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.