ISRC QZNJV2185664
Verified recording
QZNJV2185664 is “Maria” by Alfredo Castañeda,
registered on the CopyrightChains blockchain with CopyrightID
0x0c4c92007f4fd8ff418fb48e9d4c292fc9078db2e7d329eba9894924e3281db3 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2185664.
Recording identifiers
- ISRC
- QZNJV2185664
- Title
- Maria
- Artist
- Alfredo Castañeda
- CopyrightID (CopyrightChains transaction hash)
0x0c4c92007f4fd8ff418fb48e9d4c292fc9078db2e7d329eba9894924e3281db3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:896b21d88239ee0351ea27bbbe839b30e37e44bf6163d13e879fded62caef4dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2185664
- Bitcoin block existence check
- https://blockstream.info/api/block/960138