El Profesor de Canto

Recording by Obdulio y Julían.

Recording identifiers

ISRC
USJE61902335
CopyrightID (CopyrightChains transaction hash)
0xd1377b0cf55e5b4e036ae0166453ae13eece4eb2111a89e624d65016f9fedfe5
Copyright registration time
2026-08-01T00:12:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:40:43Z
Bitcoin block
960489
Canonical record hash
sha256:172d2a0d52ce92e3f7a0c35d6eb3e3323ffc1adfcec0a25b7300a90d679f9015

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.