Before

Recording by Takuro Okada.

Recording identifiers

ISRC
QZAKB2454735
CopyrightID (CopyrightChains transaction hash)
0x37f3d7a42a8c85091e4f67b154b3c925f52496bfca47663a4452be58d3b4f406
Copyright registration time
2026-06-08T23:37:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:750133fbdaf9445fed74fd9659a5050d6afc593cebf79d5d5c007e3014c8376e

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.