Espontáneo 1

Recording by Marcos Brunet.

Recording identifiers

ISRC
TCAAZ1128131
CopyrightID (CopyrightChains transaction hash)
0x1476a441e2e285a5973a8c28e498201c85b0736cbf40b1129b8849e7c1f1fa48
Copyright registration time
2026-06-09T15:52:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b87f4d8858e86e6c971f89ba8f37a47471982b5c2ec5a43b65cb5159422a2cfc

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.