ISRC NLA507400599
Verified recording
NLA507400599 is “String Quartet No. 2 in G, Op. 18 No. 2: 2. Adagio cantabile - Allegro - Tempo I” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xeee718b1d686ade7f6ec50b48bf9d7d6577ae3b568f32e5a6f6de75fe088d051 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400599.
Recording identifiers
- ISRC
- NLA507400599
- Title
- String Quartet No. 2 in G, Op. 18 No. 2: 2. Adagio cantabile - Allegro - Tempo I
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xeee718b1d686ade7f6ec50b48bf9d7d6577ae3b568f32e5a6f6de75fe088d051
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:cb22a3c2711602c1f797433730f597471577e90f293573b29cd85739c21b5b3a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400599
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: String Quartet No. 2 in G, Op. 18 No. 2: 2. Adagio cantabile - Allegro - Tempo I · Machine-readable JSON-LD