つかの間のやすらぎ

Recording by Yasuharu Takanashi.

Recording identifiers

ISRC
JPB601501751
CopyrightID (CopyrightChains transaction hash)
0x67ffce956eb7a1d1936a33ffd6b0f87ca2e81215ae9e521d4e0502187763d7ca
Copyright registration time
2026-06-10T03:04:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9dcba42d112dec2fba3b221b5c9c334b009c4336e6cae45d46ce754a34ed47b2

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.