ISRC NL1TL1901106
Verified recording
NL1TL1901106 is “Piano Sonata No. 11 in a Major Kv 331 - I. "Andante Grazioso”” by Sandman’s Music Box,
registered on the CopyrightChains blockchain with CopyrightID
0x05551e4c12cbb09aa41f136b621cab9ad1fc63fdc2999ae8f2746ba5944f174b and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL1TL1901106.
Recording identifiers
- ISRC
- NL1TL1901106
- Title
- Piano Sonata No. 11 in a Major Kv 331 - I. "Andante Grazioso”
- Artist
- Sandman’s Music Box
- CopyrightID (CopyrightChains transaction hash)
0x05551e4c12cbb09aa41f136b621cab9ad1fc63fdc2999ae8f2746ba5944f174b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:772ea8de7595bf33319e4c105de26258bd42dd6f070ad01cdfe4d50b6c4c5e51- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL1TL1901106
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 11 in a Major Kv 331 - I. "Andante Grazioso” · Machine-readable JSON-LD