Notturno for Strings and Harp

Recording by Arnold Schoenberg.

Recording identifiers

ISRC
DEN961902670
CopyrightID (CopyrightChains transaction hash)
0x74bcd0d7305f8908b602522e02202f19b540f783f355147c5896de7189827ba4
Copyright registration time
2026-06-01T15:41:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:f2a2b3f7eb75d4323222e8f6822ff5cd2af854d3363caf6a5c5807c9b4c582bd

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.