Pirouette combination 1

Recording by Martin Åkerwall.

Recording identifiers

ISRC
DKTF71800130
CopyrightID (CopyrightChains transaction hash)
0xf71115e4aebc1419367d877505007bf90e590fa748ed1d9e83c1a2a5dc60904f
Copyright registration time
2026-07-07T16:59:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:61c3043167c512ac09afd4d8c0783979015a72c66afabf7b578d6df2de5bff9b

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.