CaCO3

Recording by George Strezov.

Recording identifiers

ISRC
SE6CZ1902803
CopyrightID (CopyrightChains transaction hash)
0x72204539e951921df90635e1dc30eff5f124d96931e7805a9bfbc852cbf26b63
Copyright registration time
2026-06-09T18:11:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e7b5c12289ccca540f46e623b9670e1c874a59a573ec9293effc32a3cf6a4134

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.