ISRC CH4212300003
Verified recording
CH4212300003 is “Requiem in D Minor, K. 626: III. Sequentia: No. 1, Dies irae” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x37303596769e52fcc460e0d370e232466b5aa717f2249c8cbcd124b39d555fb1 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4212300003.
Recording identifiers
- ISRC
- CH4212300003
- Title
- Requiem in D Minor, K. 626: III. Sequentia: No. 1, Dies irae
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x37303596769e52fcc460e0d370e232466b5aa717f2249c8cbcd124b39d555fb1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:dfe8e9f76e10400661e0a262688d968d60c169666cc5f426582ced631f2ef9fc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4212300003
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Requiem in D Minor, K. 626: III. Sequentia: No. 1, Dies irae · Machine-readable JSON-LD