ISRC QMPKX1870478
Verified recording
QMPKX1870478 is “Cuatro en Uno” by Doble D,
registered on the CopyrightChains blockchain with CopyrightID
0xb769acb767a93003713e50d2f66f828bf7d7968c0aa5e8ca45abf5f3c584a18c and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMPKX1870478.
Recording identifiers
- ISRC
- QMPKX1870478
- Title
- Cuatro en Uno
- Artist
- Doble D
- CopyrightID (CopyrightChains transaction hash)
0xb769acb767a93003713e50d2f66f828bf7d7968c0aa5e8ca45abf5f3c584a18c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:d67582dfda33e0d9cec54d7a96398d829ef1aa5346bbc839d8343b20a5044a7e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMPKX1870478
- Bitcoin block existence check
- https://blockstream.info/api/block/960455