あの時 君は若かった ~at CENTRAL PARK N.Y. 1990.10.9

Recording by Hiroshi Kamayatsu.

Recording identifiers

ISRC
JPFL09002750
CopyrightID (CopyrightChains transaction hash)
0xc30abbcbd42a8e0464651725735f4e795c7cea9450a88b4b8c588b90cef17b39
Copyright registration time
2026-07-08T00:33:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:003555f1a60c1d4c446c564146de1637f96a95a913e64c6cbd7f141575b380bc

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.