Solo Callas

Recording by Nueva Marca.

Recording identifiers

ISRC
TCAGP2285079
CopyrightID (CopyrightChains transaction hash)
0xa3e404d5c06ab561aac9a231c2ded506dc6eb5266f89d7cbfdb6c712730343ce
Copyright registration time
2026-06-04T15:12:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d0a727b94afaf2e3fbd977a799a929437842b8851e198bc1bb4fab3919052a84

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.