Cantiga

Recording by Francesca Ancarola.

Recording identifiers

ISRC
CLEN21400248
CopyrightID (CopyrightChains transaction hash)
0xfdf5250520f1820cfbf9c835c3780d6700f040176ac2091545f09b23b6f8039d
Copyright registration time
2026-07-30T18:28:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:46:00Z
Bitcoin block
960294
Canonical record hash
sha256:aaf339ed507c8b85ef768e7b98a4ad8b8adcca4c72499cd37d06fe86d68b39b4

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.