Carmen a 5

Recording by Heinrich Isaac.

Recording identifiers

ISRC
HKI199707708
CopyrightID (CopyrightChains transaction hash)
0x319ced64f17bde2b0687a861f557afc263c107f204ac92a230bfc63c4609284f
Copyright registration time
2026-07-07T23:21:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:afbb969573ee00f16bc486ad557395e68488c11ed9f4aeee756c3df7912ce884

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.