Symphony No. 2: II. Molto tranquillo

Recording by Karl-Birger Blomdahl.

Recording identifiers

ISRC
QMFMF2110643
CopyrightID (CopyrightChains transaction hash)
0xe94f65df1d48b9497de1b772098fbc8c2482779da4559d5ddfb3b118235583a5
Copyright registration time
2026-01-28T21:25:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b33a0bd1d944abc5d836998e67aada18aae3791846a6d92214cdb9eb75bae57e

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.