The morning air, WoO 152 No. 4

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
FRU622054003
CopyrightID (CopyrightChains transaction hash)
0xc332048ebae64b80a42c7ac5d67dc60ed55f207dfe6aca9a51da5ac20af1fcdc
Copyright registration time
2026-07-07T19:49:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:d5e3a41fe98d89c81a3bdae9ceb8f9e4c8428d8a22e3a1321bc1f83a287ab5ca

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.