Preludio e Allegro: II. Allegro

Recording by Karl-Birger Blomdahl.

Recording identifiers

ISRC
QMFMF2110633
CopyrightID (CopyrightChains transaction hash)
0xd862eab3f6329923c8a0770c29441574857e68c72cd5bc9adca5b6d3097a819d
Copyright registration time
2026-01-28T21:30:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ab1c6c2707fe33969b08b5ed66ddb4c0fce89337870d92bb59c88bdd7d14881d

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.