Trotzkopf

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840800730
CopyrightID (CopyrightChains transaction hash)
0x27bcbfa159a6fe6028e151810b43afeb6b2e01f579025fd5937bf224d408a791
Copyright registration time
2026-07-04T18:54:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fb03476b7055977e4cbbfa75ba5f00dce4ad362c6ff30ea1b291c4da940f1f5a

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.