ISRC DEF058500761
Verified recording
DEF058500761 is “Serenata notturna in D Major, K. 239: I. Marcia (Maestoso)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xc5dce589e19a3b1a9b18253a62f784d2b593280b6266e9d316ecf32e3bb15548 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058500761.
Recording identifiers
- ISRC
- DEF058500761
- Title
- Serenata notturna in D Major, K. 239: I. Marcia (Maestoso)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xc5dce589e19a3b1a9b18253a62f784d2b593280b6266e9d316ecf32e3bb15548
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:fd08732c63288f851859f76a2ec14a53321da4f199b9b0cf8e76b4a99685b955- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058500761
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Serenata notturna in D Major, K. 239: I. Marcia (Maestoso) · Machine-readable JSON-LD