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
2026-07-21T08:51:18Z
Bitcoin block
956889
Canonical record hash
sha256:a88358b6bf095025ff05bede45d35ad5c31b4b4fa42cc7aad6349272a238cb64

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.