Big Japanese City

Recording by Hans-Ulrich Pohl.

Recording identifiers

ISRC
DENM12000293
CopyrightID (CopyrightChains transaction hash)
0xb422a97b07f53d2d446895f56f8f38258ef25088180db35aaebab4de7b100029
Copyright registration time
2026-07-22T17:14:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T17:48:40Z
Bitcoin block
959159
Canonical record hash
sha256:eb3bf7334628fb8584908a96ae3d8702e305c530056112092ce2e581cc4be2db

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.