ISRC NLB151700494
Verified recording
NLB151700494 is “Piano Trio in B flat Major Op. 11: II. Adagio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x83be3e68c50c7ceaba9002a5b41e9f8921cf05140b1e55c84fa64ba697a407af and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151700494.
Recording identifiers
- ISRC
- NLB151700494
- Title
- Piano Trio in B flat Major Op. 11: II. Adagio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x83be3e68c50c7ceaba9002a5b41e9f8921cf05140b1e55c84fa64ba697a407af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:e97d7de268ece8b3aae1fed7d3088e3c787d49a0807ddb8aac8d881ea928b215- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151700494
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Piano Trio in B flat Major Op. 11: II. Adagio · Machine-readable JSON-LD