Espontáneo 3

Recording by Marcos Brunet.

Recording identifiers

ISRC
TCAAZ1128138
CopyrightID (CopyrightChains transaction hash)
0x4f82effa3784fb9cac3eb534fe4aa0101f9898496ee4e1b7e2811670099a86df
Copyright registration time
2026-06-17T21:19:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5f20a82387d6ecf01e4cd762423bc1a57c63ffd4fa3ca8f78d945a2b06d47072

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.