7 Variations on Twinkle Twinkle Little Star

Recording by Hayato Sumino.

Recording identifiers

ISRC
USSM12404962
CopyrightID (CopyrightChains transaction hash)
0x8de19e341122cbc5f56095bb19810282cfce27238e770dade58ea96dae831fb1
Copyright registration time
2026-06-06T10:16:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:024ae559c9133288333b06b48720ac734d83e77b9688bd7a8e80cf5f4cd6033c

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.