ISRC DEF057830237
Verified recording
DEF057830237 is “Swan Lake, Op. 20, TH 12 / Act II: No. 13c Danse des cygnes: Valse” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x9d6f62ea4845e947b598e5628b52a8d7166d61d9105865f22b6a41a80e5f0cf1 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/DEF057830237.
Recording identifiers
- ISRC
- DEF057830237
- Title
- Swan Lake, Op. 20, TH 12 / Act II: No. 13c Danse des cygnes: Valse
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x9d6f62ea4845e947b598e5628b52a8d7166d61d9105865f22b6a41a80e5f0cf1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f4436451911ece212b85dce79f11103bc6f378caf1d6c72205c07e3adcb49ebb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830237
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Swan Lake, Op. 20, TH 12 / Act II: No. 13c Danse des cygnes: Valse · Machine-readable JSON-LD