Symphony No. 4 in B flat, Op. 60: 2. Adagio

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
NLA508603202
CopyrightID (CopyrightChains transaction hash)
0x39fb6c6a60801c4fd364c08f070b3d6342ae20dba9e41fa40c6010388ce0be47
Copyright registration time
2026-07-06T22:53:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7a6f4bdf6bb9f68e2a392931167aa769039948d785c3dc648af9d9afaa8bad67

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.