ISRC FRZ149719080
Verified recording
FRZ149719080 is “Requiem, K. 626, III. Sequenz: VI. Lacrymosa dies illa” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xc6dd7ef9805d99d035d5b2b463e907fce6e0bdf2b1a1cdb89ce97753cf5d0e97 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149719080.
Recording identifiers
- ISRC
- FRZ149719080
- Title
- Requiem, K. 626, III. Sequenz: VI. Lacrymosa dies illa
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xc6dd7ef9805d99d035d5b2b463e907fce6e0bdf2b1a1cdb89ce97753cf5d0e97
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:bce046c03639bd3cdbbd06efc3f5adb738b282ae9fa07c46d84db6f668b8e034- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149719080
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Requiem, K. 626, III. Sequenz: VI. Lacrymosa dies illa · Machine-readable JSON-LD