ISRC DEF057830240
Verified recording
DEF057830240 is “Swan Lake, Op. 20, TH 12 / Act II: No. 13f Danse des cygnes: Danse générale (Valse)” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x2746b89ce96097e8af3e686e461e22bab961bcf518f6e4c03ad931555e72ad57 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830240.
Recording identifiers
- ISRC
- DEF057830240
- Title
- Swan Lake, Op. 20, TH 12 / Act II: No. 13f Danse des cygnes: Danse générale (Valse)
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x2746b89ce96097e8af3e686e461e22bab961bcf518f6e4c03ad931555e72ad57
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:361f61d3b8161a34d86b89083f86e22390a93c4f7a108cd1c12945b83f7a2315- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830240
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Swan Lake, Op. 20, TH 12 / Act II: No. 13f Danse des cygnes: Danse générale (Valse) · Machine-readable JSON-LD