ISRC QZTPX2493965
Verified recording
QZTPX2493965 is “Madrecita” by Otreum,
registered on the CopyrightChains blockchain with CopyrightID
0xbb7f309a9b6c477455997283fc69056e5f862d5b8bc0bbb5929bc2d27f24a27e and independently timestamped
in Bitcoin block 960276 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2493965.
Recording identifiers
- ISRC
- QZTPX2493965
- Title
- Madrecita
- Artist
- Otreum
- CopyrightID (CopyrightChains transaction hash)
0xbb7f309a9b6c477455997283fc69056e5f862d5b8bc0bbb5929bc2d27f24a27e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:01:17+00:00
- Bitcoin block
- 960276
- Canonical record hash
sha256:fdf2d75758b95f06170d62a073d3bcd84bfa5233ce784e1f507e6f742212bbea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2493965
- Bitcoin block existence check
- https://blockstream.info/api/block/960276