ISRC DEN962336302
Verified recording
DEN962336302 is “Symphony No. 3 "Symphony of Sorrowful Songs": IIa. Lento e Largo – Tranquillissimo "Mamo, nie płacz, nie"” by Henryk Górecki,
registered on the CopyrightChains blockchain with CopyrightID
0x478438b8a1aefb4ed86fa69973a9e1bd3426860f038a15ff38a6334d1df3fa00 and independently timestamped
in Bitcoin block 958041 on 2026-07-14.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962336302.
Recording identifiers
- ISRC
- DEN962336302
- Title
- Symphony No. 3 "Symphony of Sorrowful Songs": IIa. Lento e Largo – Tranquillissimo "Mamo, nie płacz, nie"
- Artist
- Henryk Górecki
- CopyrightID (CopyrightChains transaction hash)
0x478438b8a1aefb4ed86fa69973a9e1bd3426860f038a15ff38a6334d1df3fa00
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-14T18:13:17+00:00
- Bitcoin block
- 958041
- Canonical record hash
sha256:56bf3ee0bcc1b21165b827f35586c201c1a6f4a9e04c7a386aa800d5c2216211- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962336302
- Bitcoin block existence check
- https://blockstream.info/api/block/958041
Full record
Track page: Symphony No. 3 "Symphony of Sorrowful Songs": IIa. Lento e Largo – Tranquillissimo "Mamo, nie płacz, nie" · Machine-readable JSON-LD