Bonus Song (Bonus Track)

Recording by Ensiferum.

Recording identifiers

ISRC
USMBR1511021
CopyrightID (CopyrightChains transaction hash)
0x20ce9c8da57290d2d18b2cd1a29992bbe21ac437f424019e81a60c1085f0a856
Copyright registration time
2026-06-19T02:10:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:bd8be71f11b99bb2517a8572e147a43fe61247f2fb153219a4b680fd72200937

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.