Symphony No. 4 in B-Flat Major, Op. 60: II. Adagio

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
CA68Z1400155
CopyrightID (CopyrightChains transaction hash)
0x2b7e9a19d9d07934b30f20e78abe057f217062f596080bd7302a752cac7a93ab
Copyright registration time
2026-07-07T11:29:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:364f05eea6db3374f30136dd84c2b18ddec5e186686ef724e0499e9ef0892dae

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.