Casa Calor

Recording by Omara Portuondo.

Recording identifiers

ISRC
GBBGU0468014
CopyrightID (CopyrightChains transaction hash)
0x38a9785b37957ac51e9de986498929f0995b0f36b672680b1a63b0b867212210
Copyright registration time
2026-06-20T17:54:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c50224922210fcf622dadc4a3b9b281548a04db033a8ae96eacd7ff7ed9cf97d

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.