A Tale Of Two Cities

Recording by Mark Isham.

Recording identifiers

ISRC
USWH18501113
CopyrightID (CopyrightChains transaction hash)
0x897200e3349653e826cb0f4b8709e80aec7a79acd27c5648a6b1d6bce4f229e8
Copyright registration time
2026-07-04T15:55:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:e7495bd4d6c80fe8a6abc39462a909a3d82852529dca411318b6d9cb142f1282

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.