ISRC NLA507100150
Verified recording
NLA507100150 is “String Quartet No. 11 in F minor, Op. 95 - "Serioso": 1. Allegro con brio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x1a65c1fcfd3341ff12f8772537a6873787694eb0bb03bfca5f3bb1cbb3a1dc9c and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100150.
Recording identifiers
- ISRC
- NLA507100150
- Title
- String Quartet No. 11 in F minor, Op. 95 - "Serioso": 1. Allegro con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x1a65c1fcfd3341ff12f8772537a6873787694eb0bb03bfca5f3bb1cbb3a1dc9c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:8c6dca2ba95207f06a95220791a306677a6d1453e89c3c992463cd2477b4a5b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100150
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: String Quartet No. 11 in F minor, Op. 95 - "Serioso": 1. Allegro con brio · Machine-readable JSON-LD