Alter Echo

Recording by Haruka Tomatsu.

Recording identifiers

ISRC
JPX402200117
CopyrightID (CopyrightChains transaction hash)
0x899c4fc121ca64d2dbc9b4490e85520780ab11c527697d5145b8dcac878a6d39
Copyright registration time
2026-06-07T16:43:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:678a02adea2b6400a6d9fd82da3670fc7c00a60096d3ad1ec6638ad4ee1394e7

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.