La La Land: City of Stars (Arr. for piano)

Recording by Justin Hurwitz.

Recording identifiers

ISRC
FRP812000440
Release date of the album this recording appears on
2020-11-20
CopyrightID (CopyrightChains transaction hash)
0xce58628224e2ac24bff31abdce8506c9c4d5db50401d982e793568138f4b1827
Copyright registration time
2026-07-07T06:16:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f437968a1f230d49e7b6304fcf6295f2d51cfe2f70417f24e3b58899c40d84b2

What this proof establishes

This recording was released in 2020, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.