ISRC DEF059930110

Verified recording

DEF059930110 is “Requiem, K. 626: IV. Offertorium: b. Hostias (Orch. Süssmayr, Beyer) - Live” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x1e9e30766c4fff264a6c5a37ce0c0111d31cc23a334258ee664a38bab657c5fc and independently timestamped in Bitcoin block 953513 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059930110.

Recording identifiers

ISRC
DEF059930110
Title
Requiem, K. 626: IV. Offertorium: b. Hostias (Orch. Süssmayr, Beyer) - Live
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x1e9e30766c4fff264a6c5a37ce0c0111d31cc23a334258ee664a38bab657c5fc

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07+00:00
Bitcoin block
953513
Canonical record hash
sha256:3dc879d58c62ae9549b18c438aee6a1c4d032c58ddde12ce8ecb39fdc0cd17ad
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059930110
Bitcoin block existence check
https://blockstream.info/api/block/953513

Full record

Track page: Requiem, K. 626: IV. Offertorium: b. Hostias (Orch. Süssmayr, Beyer) - Live · Machine-readable JSON-LD