ISRC DEF057601783

Verified recording

DEF057601783 is “Piano Concerto No. 4 in G Major, Op. 58: III. Rondo (Vivace)” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0xb5b34719c5d794b3c29e2df703844bdd880e4697ff6e86c95406983fccab4ca4 and independently timestamped in Bitcoin block 960250 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601783.

Recording identifiers

ISRC
DEF057601783
Title
Piano Concerto No. 4 in G Major, Op. 58: III. Rondo (Vivace)
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0xb5b34719c5d794b3c29e2df703844bdd880e4697ff6e86c95406983fccab4ca4

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T11:13:28+00:00
Bitcoin block
960250
Canonical record hash
sha256:f6e07a5cc52f330f7a104cc2f8c13549218dea811b992e56de43f99a616dbe65
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601783
Bitcoin block existence check
https://blockstream.info/api/block/960250

Full record

Track page: Piano Concerto No. 4 in G Major, Op. 58: III. Rondo (Vivace) · Machine-readable JSON-LD