ISRC DEF059305412
Verified recording
DEF059305412 is “Piano Concerto No. 21 in C Major, K. 467: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x85e499a53edbe6ba743c527187ce999a479ee21cfb5ce3065eac3e5cc6e5f459 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/DEF059305412.
Recording identifiers
- ISRC
- DEF059305412
- Title
- Piano Concerto No. 21 in C Major, K. 467: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x85e499a53edbe6ba743c527187ce999a479ee21cfb5ce3065eac3e5cc6e5f459
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:d939c19715899db0c9bf3620fdb06ec51b1b30eaf36fc18e4b34f70443a5eb41- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059305412
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Concerto No. 21 in C Major, K. 467: II. Andante · Machine-readable JSON-LD