ISRC NLA507401013
Verified recording
NLA507401013 is “String Quartet No. 7 in F, Op. 59 No. 1 - "Rasumovsky No. 1": 2. Allegretto vivace e sempre scherzando” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x01af65ad954fb57d0e0bec766067b77e8f4075bcb76339390cdf134d1be0daaa and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401013.
Recording identifiers
- ISRC
- NLA507401013
- Title
- String Quartet No. 7 in F, Op. 59 No. 1 - "Rasumovsky No. 1": 2. Allegretto vivace e sempre scherzando
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x01af65ad954fb57d0e0bec766067b77e8f4075bcb76339390cdf134d1be0daaa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:2cda0cc929cfce148fa0688bd5fb9337a7f3aa028cc81c3c1f1d407d69b21660- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401013
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: String Quartet No. 7 in F, Op. 59 No. 1 - "Rasumovsky No. 1": 2. Allegretto vivace e sempre scherzando · Machine-readable JSON-LD