ISRC NLA507700402
Verified recording
NLA507700402 is “Piano Trio in A, H.XV No. 35: 2. Menuet” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x9b7b1dacf44f63e3af6c0c773d477c810ce81f6b7c3417d4a0f58505bcaf3099 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507700402.
Recording identifiers
- ISRC
- NLA507700402
- Title
- Piano Trio in A, H.XV No. 35: 2. Menuet
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x9b7b1dacf44f63e3af6c0c773d477c810ce81f6b7c3417d4a0f58505bcaf3099
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a97a69d04b70a9d55eed914408d333f96de15d8630c20523dbdefc2741135fcc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507700402
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Trio in A, H.XV No. 35: 2. Menuet · Machine-readable JSON-LD