ISRC DEF056905330
Verified recording
DEF056905330 is “Valse sentimentale, Op. 51, No. 6: Valse sentimentale, Op. 51, No. 6” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x0ddf95f9d5e2284110bb5d69d45b8ac22462ba976c5ed848c61a8d3375b18af4 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/DEF056905330.
Recording identifiers
- ISRC
- DEF056905330
- Title
- Valse sentimentale, Op. 51, No. 6: Valse sentimentale, Op. 51, No. 6
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x0ddf95f9d5e2284110bb5d69d45b8ac22462ba976c5ed848c61a8d3375b18af4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8c77cdedd62083430498912da95c57f1de09a71b050362e28038aee9d075a053- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056905330
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Valse sentimentale, Op. 51, No. 6: Valse sentimentale, Op. 51, No. 6 · Machine-readable JSON-LD