Lost in Chicago

Recording by Mark U. C..

Recording identifiers

ISRC
BRSVN0000002
CopyrightID (CopyrightChains transaction hash)
0x8ecb39beec1732a5bc523101d8256459bed023333eea0fb8402674ce848ea0eb
Copyright registration time
2026-07-07T06:20:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ab1ff0624aaa39484064b266c3a9d3f0240606cff0d8d56644f7193a7a6b7a13

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.