ISRC NLA506800448
Verified recording
NLA506800448 is “String Quartet No. 12 in E-Flat Major, Op. 127: II. Adagio, ma non troppo e molto cantabile – Andante con moto – Adagio molto espressivo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x9175f5e3b57ced18b198c881abbe086b606a9fdf1253f733c4ea0fbd450ad4a2 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800448.
Recording identifiers
- ISRC
- NLA506800448
- Title
- String Quartet No. 12 in E-Flat Major, Op. 127: II. Adagio, ma non troppo e molto cantabile – Andante con moto – Adagio molto espressivo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x9175f5e3b57ced18b198c881abbe086b606a9fdf1253f733c4ea0fbd450ad4a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:71328915038d528b9b780e68003a3064a9a355ec1bc07ed30c27935cac74fcbc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800448
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: String Quartet No. 12 in E-Flat Major, Op. 127: II. Adagio, ma non troppo e molto cantabile – Andante con moto – Adagio molto espressivo · Machine-readable JSON-LD