ISRC CAJ722486821
Verified recording
CAJ722486821 is “Serenata portuguesa” by José Duarte Costa,
registered on the CopyrightChains blockchain with CopyrightID
0xe25c87f28c874adb18fcbee4e1235f5a4870694cad342047e4bd463ee43a94b8 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ722486821.
Recording identifiers
- ISRC
- CAJ722486821
- Title
- Serenata portuguesa
- Artist
- José Duarte Costa
- CopyrightID (CopyrightChains transaction hash)
0xe25c87f28c874adb18fcbee4e1235f5a4870694cad342047e4bd463ee43a94b8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:6254bf77beeb8c7b678dce6c12120de6831d0c843b5e8806d9d781bb24205f3e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ722486821
- Bitcoin block existence check
- https://blockstream.info/api/block/960348