Sin Lágrimas

Recording by Jorge Valdez.

Recording identifiers

ISRC
ARF106700110
Release date of the album this recording appears on
1967-12-06
CopyrightID (CopyrightChains transaction hash)
0x500df3dee769cdde4551d554840a0f2a09f638ae1f4d4f126c90c857eb009532
Copyright registration time
2026-08-01T02:08:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:9ef8f658fe908b06ea21bf743d43ab51e1c3f57bd2adedb59f71156a7be1ff61

What this proof establishes

This recording was released in 1967, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.