Que sera sera

Recording by Mio Yamazaki.

Recording identifiers

ISRC
JPU901701611
CopyrightID (CopyrightChains transaction hash)
0xa53a50cc5d0a08c3aac577ddc2390ef4d0b1dde00af8fc0bfe27bb9b919c96fe
Copyright registration time
2026-07-06T02:03:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:1e04996ec5e31686995c43914f9359721f5f2c033577858adee854e3d5890093

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.