Espontáneo 2

Recording by Marcos Brunet.

Recording identifiers

ISRC
TCAAZ1128136
CopyrightID (CopyrightChains transaction hash)
0x614d0ee8ac28233414c1ec2917c8aec81f5f13d6406052e6e661384937f2548f
Copyright registration time
2026-06-08T02:06:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:11d0a8faa667aa9efeec34428f072b90323366a24f2674d81ab4590818db0216

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.