ISRC QM6N21786153
Verified recording
QM6N21786153 is “Cantigas de Santa Maria, CSM 383: O ffondo do mar tan chão - Remastered” by Alfonso X El Sabio,
registered on the CopyrightChains blockchain with CopyrightID
0x87ba3fb316571c9a5cce618a54381904390a5092ecaedc94173051d424930e00 and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21786153.
Recording identifiers
- ISRC
- QM6N21786153
- Title
- Cantigas de Santa Maria, CSM 383: O ffondo do mar tan chão - Remastered
- Artist
- Alfonso X El Sabio
- CopyrightID (CopyrightChains transaction hash)
0x87ba3fb316571c9a5cce618a54381904390a5092ecaedc94173051d424930e00
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:06e71664e9fc89890bbdc4706a84d7278104fd2f415927ec29744383d12aafd8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21786153
- Bitcoin block existence check
- https://blockstream.info/api/block/960309
Full record
Track page: Cantigas de Santa Maria, CSM 383: O ffondo do mar tan chão - Remastered · Machine-readable JSON-LD