ISRC USSM11902373

Verified recording

USSM11902373 is “Piano Sonata No. 8 in C minor, Op. 13, "Pathétique": II. Adagio cantabile” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0x305ea2a91021da65a50dfe46a4a34b49ff64ecaf3b7b70e80257290c50e78953 and independently timestamped in Bitcoin block 953513 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902373.

Recording identifiers

ISRC
USSM11902373
Title
Piano Sonata No. 8 in C minor, Op. 13, "Pathétique": II. Adagio cantabile
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0x305ea2a91021da65a50dfe46a4a34b49ff64ecaf3b7b70e80257290c50e78953

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07+00:00
Bitcoin block
953513
Canonical record hash
sha256:b3cb5557a08157d0ddc5a8b8dcc1149e278a6ba2454a05ec547d48da3e4105d3
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902373
Bitcoin block existence check
https://blockstream.info/api/block/953513

Full record

Track page: Piano Sonata No. 8 in C minor, Op. 13, "Pathétique": II. Adagio cantabile · Machine-readable JSON-LD