ISRC QM6P41540079
Verified recording
QM6P41540079 is “El Tango No Tiene Contra” by Juan D'Arienzo and his Orchestra,
registered on the CopyrightChains blockchain with CopyrightID
0x66e4d0c90efce388bb907f6abb15905a9e2f2dd29b9975c906e3b7b96fa7594c and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6P41540079.
Recording identifiers
- ISRC
- QM6P41540079
- Title
- El Tango No Tiene Contra
- Artist
- Juan D'Arienzo and his Orchestra
- CopyrightID (CopyrightChains transaction hash)
0x66e4d0c90efce388bb907f6abb15905a9e2f2dd29b9975c906e3b7b96fa7594c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:f84d6f74ca679f20fddf19fdf21fd22289b3beaca5d8facefc129b854dc8565e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6P41540079
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: El Tango No Tiene Contra · Machine-readable JSON-LD