ISRC DEF056502066
Verified recording
DEF056502066 is “Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 6” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x77a6d8db80f6492679a6755b24072dda95100e1a6422761d1a3ba1fc3d2a041f and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502066.
Recording identifiers
- ISRC
- DEF056502066
- Title
- Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 6
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x77a6d8db80f6492679a6755b24072dda95100e1a6422761d1a3ba1fc3d2a041f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:206cddae0f5289f8c088ff54d3e856e23cad9587a906d94ef73dfd64dfbb7a4c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502066
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 6 · Machine-readable JSON-LD