Theme of Alex

Recording by Keiki Kobayashi.

Recording identifiers

ISRC
JPE101801270
CopyrightID (CopyrightChains transaction hash)
0x0b96a88f3ffb24810bb5fa69858de92a958b670edda7cd0c5eea73d889b66c71
Copyright registration time
2026-06-08T11:24:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8a0fad57266560cb3c658722e252ef294994593b28e9825cd8c506b91f2c82b4

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.