ISRC DEF056530105
Verified recording
DEF056530105 is “12 Etudes, Op. 10: No. 5 In G Flat "Black Keys"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x071a107d4f08d35996ccdd1d33f2fba77bdeb5b0602d677cc7b0dd05ae51b3f8 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/DEF056530105.
Recording identifiers
- ISRC
- DEF056530105
- Title
- 12 Etudes, Op. 10: No. 5 In G Flat "Black Keys"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x071a107d4f08d35996ccdd1d33f2fba77bdeb5b0602d677cc7b0dd05ae51b3f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:f451585037b3dc5ac289539c11e8d69c21c622f3c038583a5b3293cba02d14b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530105
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: 12 Etudes, Op. 10: No. 5 In G Flat "Black Keys" · Machine-readable JSON-LD