valkyries

Recording by Martin Biesecke.

Recording identifiers

ISRC
QM6N22472916
CopyrightID (CopyrightChains transaction hash)
0x8ef926bfcf4ccade9188eac40e6e694daed1ff2f748166deb06ddfa661c17e8f
Copyright registration time
2026-06-06T14:40:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c8d947c9448e6be741e1d775fde16f401ed94bf626a67b57e4fe90d6ed397be3

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.