Symphony No. 2 "Sinfonia Grave": III. Allegro risoluto

Recording by Hilding Rosenberg.

Recording identifiers

ISRC
QMFMF2116657
CopyrightID (CopyrightChains transaction hash)
0xd91c1efa73704fc8796b1dc69783ed9068acf7c003968a38a985bb39e7a0016c
Copyright registration time
2026-01-28T22:21:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4bd74308007fbc098bd2407c534f257d5ada42cb3b0e2f95f7d8841e0caef9d8

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.