Veinte Años

Recording by Marta Pereira da Costa.

Recording identifiers

ISRC
ES69I2401485
CopyrightID (CopyrightChains transaction hash)
0x00c1e77e5b856493a5ec796c955e8b2e2cb79c48fedc839018de2d1111eddabb
Copyright registration time
2026-07-29T11:34:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:41:21Z
Bitcoin block
960106
Canonical record hash
sha256:2f500f5ad27c3fcb3dab070281a8ccd36fd4f9787f01029e466c03723c059861

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.