ISRC DEN961305012

Verified recording

DEN961305012 is “Concerto for Piano and Orchestra: II. Presto - Poco meno mosso - Lento” by Witold Lutosławski, registered on the CopyrightChains blockchain with CopyrightID 0x1676db56916c1aaf8ff0c48ed5561d11f0d2c7ced358dce3229003636e5cbb94 and independently timestamped in Bitcoin block 960339 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961305012.

Recording identifiers

ISRC
DEN961305012
Title
Concerto for Piano and Orchestra: II. Presto - Poco meno mosso - Lento
Artist
Witold Lutosławski
CopyrightID (CopyrightChains transaction hash)
0x1676db56916c1aaf8ff0c48ed5561d11f0d2c7ced358dce3229003636e5cbb94

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T03:13:37+00:00
Bitcoin block
960339
Canonical record hash
sha256:2e7d5ff556778a96b8d9c41a40de2d178af3bbccf09cd3d7a2c14508dbb28f64
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961305012
Bitcoin block existence check
https://blockstream.info/api/block/960339

Full record

Track page: Concerto for Piano and Orchestra: II. Presto - Poco meno mosso - Lento · Machine-readable JSON-LD