Concerto grosso: IV. Adagio

Recording by Karl-Birger Blomdahl.

Recording identifiers

ISRC
QMFMF2110640
CopyrightID (CopyrightChains transaction hash)
0x4c56028c6cec0e7cbd57777cf404122e55d9cc849733e1472731a07702df652c
Copyright registration time
2026-01-28T21:29:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0fc3b459989fb75c36f567d43f43e9e57b7a790ea720a54a4672bf6c70e31b96

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.