Metropolitan

Recording by Erik Rydvall.

Recording identifiers

ISRC
SEBAA2202303
CopyrightID (CopyrightChains transaction hash)
0x073460c244f3d2e7b8b05beefb1fce145a4747cf1dd50d7647e7aa7f5aca5ceb
Copyright registration time
2026-07-07T04:31:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c05277c8db4be08eb1b7afeac502c4e6928367fe2684d4d105904ff0307db9fb

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.