越冬つばめ

Recording by Masako Mori.

Recording identifiers

ISRC
JPKI01415579
CopyrightID (CopyrightChains transaction hash)
0xab08ca58de9af4ace7d794088eec7b2dbb8d3f3cc74ba147496698f5629e69d3
Copyright registration time
2026-06-04T15:48:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:451789259154781eaae1e48d7d51dbc70ab4f13695e545a949c2a0f8e47dc9e0

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.