Seven Days, Seven Nights

Recording by Kazufumi Miyazawa.

Recording identifiers

ISRC
JPTO09804560
CopyrightID (CopyrightChains transaction hash)
0x84b2d9ba0b222aa1ff0ac62170926524d26b53cabb3ac2028ba48c6cd8e8497c
Copyright registration time
2026-07-07T18:54:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0e0101ea3b2284bcf7821bdcb931c344c59f797531ede7a607a7889d1dde8526

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.