Cantigueiras

Recording by Carlos Núñez.

Recording identifiers

ISRC
ES5029600388
CopyrightID (CopyrightChains transaction hash)
0x5b572e21d84aff694b65e0c41263de395079df04d49698fe5a5f1ffac13bb1c6
Copyright registration time
2026-06-29T08:39:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:a65329d4f5a9951de74ab1b7cfe04502c99958174d2feb0ca35eabb30666d931

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.