ISRC CAJ720739708
Verified recording
CAJ720739708 is “Étude No. 20: Marciale (Arr. by Roland Dyens)” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0x445c12cb09bc2228a38459ee4889f6a57bea3f98c62457e1a2a14e070b17d572 and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720739708.
Recording identifiers
- ISRC
- CAJ720739708
- Title
- Étude No. 20: Marciale (Arr. by Roland Dyens)
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0x445c12cb09bc2228a38459ee4889f6a57bea3f98c62457e1a2a14e070b17d572
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:9d7f652b156bc849260062597a74750c4590cbbf6c0fff940d79e4e0c758342d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720739708
- Bitcoin block existence check
- https://blockstream.info/api/block/960247
Full record
Track page: Étude No. 20: Marciale (Arr. by Roland Dyens) · Machine-readable JSON-LD