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

Recording by Carl Nielsen.

Recording identifiers

ISRC
GBF078910471
CopyrightID (CopyrightChains transaction hash)
0xab2ba0cb89d9050cb7fd35f41441e7dc49167a548e0b801521fa54102aabc266
Copyright registration time
2026-07-31T17:20:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:c3755ded483aede8ef47ae4b5a3cffd5956dbd749339b03b1a67f8c1985dbdfb

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.