Humming 7/4

Recording by Ayumi Hamasaki.

Recording identifiers

ISRC
JPB600498113
CopyrightID (CopyrightChains transaction hash)
0x62ed58b659e84113e69cfe0211611f143557b9fef7627c1238ff5b6dd937c1b8
Copyright registration time
2026-06-17T22:36:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fe07837577f10d9c3c8e7a7a32cf87b6bb4fbf3113b64b01af97747c2a33f39a

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.