Valkyrie

Recording by Jo Blankenburg.

Recording identifiers

ISRC
US43C1603042
CopyrightID (CopyrightChains transaction hash)
0x00f8df7e30ddbbd88f4dd1576e24be2824515980d1c8404af59e9b6352a7aced
Copyright registration time
2026-06-08T15:04:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:73a0efe3c2959089792fd07801c8393bbc7315d797b0c8c9340ffd00f5b07246

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.