ISRC USSM11203890
Verified recording
USSM11203890 is “Études, Op. 25: No. 1 in A-Flat Major” by Lang Lang,
registered on the CopyrightChains blockchain with CopyrightID
0xd6cfb8f6e0e9a36cf3f9a2e3eea1c42498560c21bb4c48967901c93ebe6ee426 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203890.
Recording identifiers
- ISRC
- USSM11203890
- Title
- Études, Op. 25: No. 1 in A-Flat Major
- Artist
- Lang Lang
- CopyrightID (CopyrightChains transaction hash)
0xd6cfb8f6e0e9a36cf3f9a2e3eea1c42498560c21bb4c48967901c93ebe6ee426
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:53ab4f93604e0ea9634144879e985917d22bfb68dfb693214376cd0abf89817b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203890
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Études, Op. 25: No. 1 in A-Flat Major · Machine-readable JSON-LD