Harmonia caelestis: No. 2. Laetare, cor meum

Recording by Pál Esterházy.

Recording identifiers

ISRC
HUA253114802
CopyrightID (CopyrightChains transaction hash)
0xfb75973de6789c696ab9e6fe1b95fb8ce87a2c7b2b1c7bc53f2b47003f218c23
Copyright registration time
2026-07-07T06:52:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bf7e009a38d63695def17cd0d8a9cc0df9d3a868e6ca30110e414f6feebd436f

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.