The Two on the Boat

Recording by Takatsugu Muramatsu.

Recording identifiers

ISRC
JPTK01411440
CopyrightID (CopyrightChains transaction hash)
0x0a396a995beb0d250c2dc41b6f6adacc99e6c4cd10776722620a548a1a93b89f
Copyright registration time
2026-06-06T05:23:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:03b04cda517e62b36e123f1455d10d0cbcdd9e3fb86af3218505f4273997c0a2

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.