Machu Picchu, "City in the Sky"

Recording by Satoshi Yagisawa.

Recording identifiers

ISRC
USVZX1019407
CopyrightID (CopyrightChains transaction hash)
0xc1056a3a294032f68a7af4210ef95cc5a7e26dbeaedb26ac02e411cd83bd35cc
Copyright registration time
2026-06-18T17:47:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2d08b744f7b3ab0a1ce3a34a8bc6fcfd79d304b35b85171de7f9a1035835d1bf

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.