ISRC QMFLS1500076
Verified recording
QMFLS1500076 is “El 28” by Martin Castillo,
registered on the CopyrightChains blockchain with CopyrightID
0x83472b4489a6da27092c39a75246998714ad042aec0dbe153d38c9aac08f38a2 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFLS1500076.
Recording identifiers
- ISRC
- QMFLS1500076
- Title
- El 28
- Artist
- Martin Castillo
- CopyrightID (CopyrightChains transaction hash)
0x83472b4489a6da27092c39a75246998714ad042aec0dbe153d38c9aac08f38a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:e30aaf2d9b45aecded8b9e96354d135d64ac5c2eb89db9a40a56fb3512e36dee- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFLS1500076
- Bitcoin block existence check
- https://blockstream.info/api/block/953520