ISRC SEWDL0508403
Verified recording
SEWDL0508403 is “Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x1e996fcd949a509f4e82f4ceca86fe94112943bec319f7f595a8e9a760076e07 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0508403.
Recording identifiers
- ISRC
- SEWDL0508403
- Title
- Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x1e996fcd949a509f4e82f4ceca86fe94112943bec319f7f595a8e9a760076e07
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:afeecb8671d56f93cb22ed392a00d674d6bbef697c3290027796002c7ea697e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0508403
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante · Machine-readable JSON-LD