Simple Song

Recording by ふきのとう.

Recording identifiers

ISRC
JPSR07930004
CopyrightID (CopyrightChains transaction hash)
0xa1ecfbf5b222510d03717e57dcccb1fc6c64baf9baa5bf9c3046d68a1e49add7
Copyright registration time
2026-06-25T03:55:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4838e25789f0fe2b69296d0f6a2a7d7c1ef125320b6b74ecbf8dcdc1c637f852

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.