ISRC NLY331309083
Verified recording
NLY331309083 is “Septet in E-Flat Major, Op. 20: II. Adagio cantabile” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe851de73e4be164c197500496534d66f3c2c484b4ef992f1e100379a16d442b5 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331309083.
Recording identifiers
- ISRC
- NLY331309083
- Title
- Septet in E-Flat Major, Op. 20: II. Adagio cantabile
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe851de73e4be164c197500496534d66f3c2c484b4ef992f1e100379a16d442b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:8aa90ec31e9d9d71cc3d1a0ae5418486b2c2d4268b1841ab9ac4fbd48b45363d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331309083
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Septet in E-Flat Major, Op. 20: II. Adagio cantabile · Machine-readable JSON-LD