ISRC DEF056502065
Verified recording
DEF056502065 is “Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 5” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x196cca2cba2ca4ae76780a74ffa35989d869f7d64d5bc5db07891e54fcf8e57f and independently timestamped
in Bitcoin block 960298 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502065.
Recording identifiers
- ISRC
- DEF056502065
- Title
- Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 5
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x196cca2cba2ca4ae76780a74ffa35989d869f7d64d5bc5db07891e54fcf8e57f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:26:00+00:00
- Bitcoin block
- 960298
- Canonical record hash
sha256:4e5d68cef98cc5e97dd275fe06d546ef46d19192b0dac34210e16095dd62b4da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502065
- Bitcoin block existence check
- https://blockstream.info/api/block/960298
Full record
Track page: Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 5 · Machine-readable JSON-LD