Por Que Llora la Tarde

Recording by Antonio Marcos.

Recording identifiers

ISRC
QM6P41451331
CopyrightID (CopyrightChains transaction hash)
0x96973ee534fe52b64776d26e633127f5a58c65540b55a0964c4b0ea907377e1b
Copyright registration time
2026-06-21T11:17:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c4994112c5a314206791d07296b6d5102d80d95e1b9cb61365ec4fb0a0d34e19

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.