ISRC NLA507200689
Verified recording
NLA507200689 is “String Quartet No. 1 in F, Op. 18 No. 1: 2. Adagio affettuoso ed appassionato” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x35f3b9bb0ae1d752a56ca29e502eddb8907761189a34596b254976d00f78e816 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200689.
Recording identifiers
- ISRC
- NLA507200689
- Title
- String Quartet No. 1 in F, Op. 18 No. 1: 2. Adagio affettuoso ed appassionato
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x35f3b9bb0ae1d752a56ca29e502eddb8907761189a34596b254976d00f78e816
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5708307e1bd9b8adecceb74d7a830fff094647e6e3f53199a596d078e6898aa1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200689
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1 in F, Op. 18 No. 1: 2. Adagio affettuoso ed appassionato · Machine-readable JSON-LD