ISRC DEF057401311
Verified recording
DEF057401311 is “Piano Concerto No. 21 in C Major, K. 467: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb176a05ce02b21e05730a40f16eed0285351ff2a3317b62b840d811e55ba0998 and independently timestamped
in Bitcoin block 960225 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401311.
Recording identifiers
- ISRC
- DEF057401311
- Title
- Piano Concerto No. 21 in C Major, K. 467: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb176a05ce02b21e05730a40f16eed0285351ff2a3317b62b840d811e55ba0998
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:04:30+00:00
- Bitcoin block
- 960225
- Canonical record hash
sha256:cbcf38ba4f6836d38dfa06371274e89e54360577a78855dd9169241ad0c5e550- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401311
- Bitcoin block existence check
- https://blockstream.info/api/block/960225
Full record
Track page: Piano Concerto No. 21 in C Major, K. 467: II. Andante · Machine-readable JSON-LD