ISRC DEF056502062
Verified recording
DEF056502062 is “Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6dd95a8eeca73e5751a302c0263ddcc858c45120fd35ba703ecb05d4992d1c41 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/DEF056502062.
Recording identifiers
- ISRC
- DEF056502062
- Title
- Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6dd95a8eeca73e5751a302c0263ddcc858c45120fd35ba703ecb05d4992d1c41
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:298318c561a32c98fbeb710d95f5b9f9357723cdd924196a90b901c32e9b88f2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502062
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 2 · Machine-readable JSON-LD