ISRC DEF057530004
Verified recording
DEF057530004 is “Requiem, K. 626: IIIa. Dies irae” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xbd90ddd6c481a8bea94218b55013deaf86f2db03271e5150237b3018a419a7f5 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/DEF057530004.
Recording identifiers
- ISRC
- DEF057530004
- Title
- Requiem, K. 626: IIIa. Dies irae
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xbd90ddd6c481a8bea94218b55013deaf86f2db03271e5150237b3018a419a7f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:83afd89e8b03f016c41f063907a9edb74cb19c2ff038845ff3209dc192a028a0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530004
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Requiem, K. 626: IIIa. Dies irae · Machine-readable JSON-LD