Symphony No. 2, Op. 16 "The Four Temperaments": I. Allegro collerico

Recording by Carl Nielsen.

Recording identifiers

ISRC
DEN962202851
CopyrightID (CopyrightChains transaction hash)
0xabcb11b610c08d9a7b66c44da100fdea2b080a9c5d0334b66c8d1071d1c8475a
Copyright registration time
2026-06-25T22:13:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T10:59:31Z
Bitcoin block
957025
Canonical record hash
sha256:dc7e16adbe2e915c38a3a47d0692dcc00a2d460ca844d1f65a2e119448f082da

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.