ISRC DEF059602970
Verified recording
DEF059602970 is “Nocturne in D Minor, Op. 19, TH 133, No. 4” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x03892386661b96f44c92d18c69fee746dbb132fbe2dc385b0c6a5636fc12bc53 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602970.
Recording identifiers
- ISRC
- DEF059602970
- Title
- Nocturne in D Minor, Op. 19, TH 133, No. 4
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x03892386661b96f44c92d18c69fee746dbb132fbe2dc385b0c6a5636fc12bc53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:f382f58ad0927844bc2bd33cdebba8eaee783343668b1753c8a6e836dc6807f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602970
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Nocturne in D Minor, Op. 19, TH 133, No. 4 · Machine-readable JSON-LD