UTAKATA -泡沫-

Recording by あき.

Recording identifiers

ISRC
JPW561809130
CopyrightID (CopyrightChains transaction hash)
0x1b77bdba1c005fffee2521dfd898f588566b6e5d303198e9a842fa1e729fa3f8
Copyright registration time
2026-07-29T19:40:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:38363470c07343e82abdfc525ef9976f3949108d4f7244be621a1bf38ffa057c

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.