ISRC CH4212300004
Verified recording
CH4212300004 is “Requiem in D Minor, K. 626: III. Sequentia: No. 2, Tuba mirum” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3dd440c5927e0ca355324249b53fcdc41dcaf3aa03e595c40a88b553efde8767 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4212300004.
Recording identifiers
- ISRC
- CH4212300004
- Title
- Requiem in D Minor, K. 626: III. Sequentia: No. 2, Tuba mirum
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3dd440c5927e0ca355324249b53fcdc41dcaf3aa03e595c40a88b553efde8767
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:d43963ea577ed034b024733a32a1be574a7cebabda145ad181d7a618b3932d65- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4212300004
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Requiem in D Minor, K. 626: III. Sequentia: No. 2, Tuba mirum · Machine-readable JSON-LD