本音

Recording by sumika.

Recording identifiers

ISRC
JPU902003022
CopyrightID (CopyrightChains transaction hash)
0x9ec68223d36059a46267308002afc478686390b82be1701b3216fe4a60d1c763
Copyright registration time
2026-06-04T12:42:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3e1bc7cf8a9655610cc15b1f9296bcca7340b2814733391e6a2c356b2399ccc6

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.