Symphony in D Major, H. 663: II. Largo

Recording by Carl Philipp Emanuel Bach.

Recording identifiers

ISRC
FR50X2304302
CopyrightID (CopyrightChains transaction hash)
0x2efc524f43be207b7e441393d08a534865bcdcc12818165e3eb83e7ec9d003cf
Copyright registration time
2026-07-06T21:39:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e55898679182ee40972f1b070867485caf47e79017b5bfd311d1e07033ac01fe

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.