Japan’s Fish Market

Recording by Aska Matsumiya.

Recording identifiers

ISRC
USLS52458706
CopyrightID (CopyrightChains transaction hash)
0x4857f7cf0b3a2f6be1567db143059f6f399c0dcc543f14fe475d4d21e7e54c9b
Copyright registration time
2026-07-31T15:37:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:59:18Z
Bitcoin block
960427
Canonical record hash
sha256:d137d6192b91360e054efdd23fc04cc1ba0ac1f436160f8e2c0185a3d1ca2e86

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.