ISRC QMFLS1400033
Verified recording
QMFLS1400033 is “El Cuya” by Martin Castillo,
registered on the CopyrightChains blockchain with CopyrightID
0x8f7a00cc54098ae0dc9807a3ec9ac603563ba164fee1da5c4cfd0a0d3414c5ce 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/QMFLS1400033.
Recording identifiers
- ISRC
- QMFLS1400033
- Title
- El Cuya
- Artist
- Martin Castillo
- CopyrightID (CopyrightChains transaction hash)
0x8f7a00cc54098ae0dc9807a3ec9ac603563ba164fee1da5c4cfd0a0d3414c5ce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:de25f008f422c46bf6185a3f494829af76ac81a1cb9366e40da44ca337790201- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFLS1400033
- Bitcoin block existence check
- https://blockstream.info/api/block/960138