El Cantor de Buenos Aires

Recording by José Angel Trelles.

Recording identifiers

ISRC
ARA940600123
CopyrightID (CopyrightChains transaction hash)
0x0d7b0d09c4875efcbebcf10de971f5adc9b575869a5829b8dd60b8f2aa256ade
Copyright registration time
2026-07-31T01:58:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:9a99425383462f0e8f7a374f1d18f3f6cadabbfc2f2bd93fd76e4d0aa64f7335

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.