ISRC QZZ972408042

Verified recording

QZZ972408042 is “El Dia de San Juan” by Efrain Toledo y Sus Calentanos, registered on the CopyrightChains blockchain with CopyrightID 0x8cb666e98f5c509badd25b6473db0a7bfd3306092f56133b1521ee76123508e0 and independently timestamped in Bitcoin block 960106 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972408042.

Recording identifiers

ISRC
QZZ972408042
Title
El Dia de San Juan
Artist
Efrain Toledo y Sus Calentanos
CopyrightID (CopyrightChains transaction hash)
0x8cb666e98f5c509badd25b6473db0a7bfd3306092f56133b1521ee76123508e0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T12:41:21+00:00
Bitcoin block
960106
Canonical record hash
sha256:ff83d3eeec3665caafeadca180e627bda36421d929928c549e4da01ede0e0f07
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972408042
Bitcoin block existence check
https://blockstream.info/api/block/960106

Full record

Track page: El Dia de San Juan · Machine-readable JSON-LD