冬の記憶

Recording by 芳賀 敬太.

Recording identifiers

ISRC
JPE302101495
CopyrightID (CopyrightChains transaction hash)
0x80364a38dcc9c057652b4da30d408a9f786d3db06518ddd07697ad58cb98c2f1
Copyright registration time
2026-06-20T23:32:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9d8c73e814c0f74a3ef1cb3a6e7c4e2c01191be9e933d2466e85afb16438f8d4

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.