Las Golondrinas, II parte: "Preludio"

Recording by Coro del Gran Teatro Lírico de Bacelona.

Recording identifiers

ISRC
ES5279903917
CopyrightID (CopyrightChains transaction hash)
0x7a01f26970c256cd53059224c61ffbe280baf0b280225848bdeecd6fb462f0cc
Copyright registration time
2026-07-30T16:10:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:7cf6e97a12acb13d66eefa1d497ebd9c87212996cba428a2268a84ed9c720032

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.