ISRC DEF056500792
Verified recording
DEF056500792 is “Waltz No. 13 in D-Flat Major, Op. 70 No. 3: Moderato” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc01c3a9cc08933703a35c88d4f9d1f1284f208e31e970bd9077ef2474cb11760 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/DEF056500792.
Recording identifiers
- ISRC
- DEF056500792
- Title
- Waltz No. 13 in D-Flat Major, Op. 70 No. 3: Moderato
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc01c3a9cc08933703a35c88d4f9d1f1284f208e31e970bd9077ef2474cb11760
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:63eb298511656d16117a5d12e2a025068c27150de51ec8fe273cf2dbbc3c13b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500792
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Waltz No. 13 in D-Flat Major, Op. 70 No. 3: Moderato · Machine-readable JSON-LD