Paper Boat

Recording by Chen Guo.

Recording identifiers

ISRC
CNF280448206
CopyrightID (CopyrightChains transaction hash)
0x9e2ddcfa54be5bc4084ed8214f393f89bf1d8f7ccc16d6e369784eea317efcad
Copyright registration time
2026-06-20T18:19:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:77513e8576117d86f8b2e68522da7aa6788402f4d0ba64e94fe247541540300b

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.