雲の中の瞑想

Recording by Otoyū Shinwa.

Recording identifiers

ISRC
AEA2Z2307557
CopyrightID (CopyrightChains transaction hash)
0x143262bd943d4c622fd38ccd3a4f8cdf8fcd411f37822ba7afbad545c97dec21
Copyright registration time
2026-06-28T05:43:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:f6d33a8a38f9f3e1377920409bb2309b09a190353b5c703e1b55ebc7b7eff2d4

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.