Cantiga

Recording by Alaíde Costa.

Recording identifiers

ISRC
US7VG2503148
CopyrightID (CopyrightChains transaction hash)
0x2e3b0e11368453f0b9b0a6632224c3320980dc92dc1b56868b5e5ce1e3d60b1f
Copyright registration time
2026-07-07T15:12:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7d8630718a086fe164aea2a34e7b62c2d90743041f938ff901954b9c4d6dc4a2

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.