ISRC NLA507400664
Verified recording
NLA507400664 is “11 Bagatelles, Op. 119: 4. Andante cantabile” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x187c10a38cc974b0f6ea73d4a28df5b614e15b3461c3c71f536bac519b5f6dda and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400664.
Recording identifiers
- ISRC
- NLA507400664
- Title
- 11 Bagatelles, Op. 119: 4. Andante cantabile
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x187c10a38cc974b0f6ea73d4a28df5b614e15b3461c3c71f536bac519b5f6dda
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:4b6d46b76bd6e587ae3d3e199774a07d6a44ceecbea0afb05ec83c19a2753979- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507400664
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: 11 Bagatelles, Op. 119: 4. Andante cantabile · Machine-readable JSON-LD