City of Music

Recording by Ania Szarmach.

Recording identifiers

ISRC
PLC591600031
CopyrightID (CopyrightChains transaction hash)
0xcdc3ce13b13822a6fbc419a2ec39c178afb3802d5a2008ea5b7223cef81938d7
Copyright registration time
2026-08-01T01:38:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:2c9696f6daa0613de184152940f78168533ab26ac00ab1de8bcf7312a793fdb8

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.