ISRC QZ7R42150232
Verified recording
QZ7R42150232 is “Caixa Postal” by João Napoli,
registered on the CopyrightChains blockchain with CopyrightID
0x9d640b8dbb7218a38b855d45c34ba9ed3e337824d310f7a9f535db934e1b1de3 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7R42150232.
Recording identifiers
- ISRC
- QZ7R42150232
- Title
- Caixa Postal
- Artist
- João Napoli
- CopyrightID (CopyrightChains transaction hash)
0x9d640b8dbb7218a38b855d45c34ba9ed3e337824d310f7a9f535db934e1b1de3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:fe5bd28072ab98dfe2856631c7445b9bed6eaad17a236c2bca23848c9fe78878- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7R42150232
- Bitcoin block existence check
- https://blockstream.info/api/block/960203