Symphony No. 2: III. Allegro vivace

Recording by Kurt Weill.

Recording identifiers

ISRC
DEN962400523
CopyrightID (CopyrightChains transaction hash)
0x8fbff2e5ddddf302b7f210fe63558b2a6ee7a145ce6d4a51a011467c74288cd1
Copyright registration time
2026-06-08T20:50:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:3ee3d0cb90a3a4424b1d74af70b85931c84071e34db294128e2729baa5201c11

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.