ISRC NLE422305912
Verified recording
NLE422305912 is “Symphony No. 31 in D Major, K. 297/300a "Paris": II. Andante (first edition)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x21eae57d285b2e53eaebf0b7e3b0a4ccaa5450e97eb0a90c4144318e418e2537 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422305912.
Recording identifiers
- ISRC
- NLE422305912
- Title
- Symphony No. 31 in D Major, K. 297/300a "Paris": II. Andante (first edition)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x21eae57d285b2e53eaebf0b7e3b0a4ccaa5450e97eb0a90c4144318e418e2537
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:d6a98ac03f68e38343202c80f128615a7737636ec52abc1bcb9040e8e33b4295- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422305912
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Symphony No. 31 in D Major, K. 297/300a "Paris": II. Andante (first edition) · Machine-readable JSON-LD