ISRC NLA507400852
Verified recording
NLA507400852 is “Piano Concerto No. 2 in B-Flat Major, Op. 19: II. Adagio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xb9d4feddd7a5cf41583cda894e1e9c7161bf8ca0938c7bf94a31cbbc90850739 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400852.
Recording identifiers
- ISRC
- NLA507400852
- Title
- Piano Concerto No. 2 in B-Flat Major, Op. 19: II. Adagio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xb9d4feddd7a5cf41583cda894e1e9c7161bf8ca0938c7bf94a31cbbc90850739
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:b737e879befa2fc4dbaeab886386bf9a5d32ecde047bbfdc60614eb1b3fd7948- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400852
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Piano Concerto No. 2 in B-Flat Major, Op. 19: II. Adagio · Machine-readable JSON-LD