Mia and Sebastian's Theme (From "La La Land")

Recording by Justin Hurwitz.

Recording identifiers

ISRC
GBAYC2200734
CopyrightID (CopyrightChains transaction hash)
0xd229226001a76bb5700a9b3bed0a1aa19c9b09d4d8c4929afca6b4f72719214f
Copyright registration time
2026-06-10T16:22:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9f0e00a19144346e4e972f33af8a6c507eb4e16909b09f0d121cd56bb5d80437

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.