sumire。

Recording by Hazzie.

Recording identifiers

ISRC
JPPO01405152
CopyrightID (CopyrightChains transaction hash)
0x7f8febc5c26ca0ea016df7ca4af058b638098739320cb5ae3ca811edcc2464d3
Copyright registration time
2026-06-08T04:29:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7aea666b25816072ab9fd6904f504e3cacf1a52ae08aaa64427da75e9218dd3e

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.