Symphony No. 2: III. Allegro assai

Recording by Karl-Birger Blomdahl.

Recording identifiers

ISRC
QMFMF2110644
CopyrightID (CopyrightChains transaction hash)
0x93413d878e72cdbe7ec217da2dbe71b49c586a85ee59fc0564230eaa785a84bc
Copyright registration time
2026-01-28T20:59:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1fcac4d6a11a7a0b1a0f966ba8491acb23fa0cb505255180cb2311e0a1322b25

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.