ISRC ES7899900108
Verified recording
ES7899900108 is “Requiem in D Minor, K. 626: Sequence: III. Rex tremendae majestatis” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb3840f947e7b8efe330aedffc8570f2ef4ecc50093f3599ebf83f53805db1d31 and independently timestamped
in Bitcoin block 960362 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7899900108.
Recording identifiers
- ISRC
- ES7899900108
- Title
- Requiem in D Minor, K. 626: Sequence: III. Rex tremendae majestatis
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb3840f947e7b8efe330aedffc8570f2ef4ecc50093f3599ebf83f53805db1d31
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:58:00+00:00
- Bitcoin block
- 960362
- Canonical record hash
sha256:a46c3a3e20c887924d6740025d645cc83048f6bcc6070a73634fa079f3d25e13- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7899900108
- Bitcoin block existence check
- https://blockstream.info/api/block/960362
Full record
Track page: Requiem in D Minor, K. 626: Sequence: III. Rex tremendae majestatis · Machine-readable JSON-LD