ISRC DEF057830209
Verified recording
DEF057830209 is “Swan Lake, Op. 20, TH 12 / Act I: No. 8 Danse des coupes (Tempo di polacca)” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x98067da659fac50d184739078ed7dd33f0f655949acfeda5e9017b8ac43251b3 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830209.
Recording identifiers
- ISRC
- DEF057830209
- Title
- Swan Lake, Op. 20, TH 12 / Act I: No. 8 Danse des coupes (Tempo di polacca)
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x98067da659fac50d184739078ed7dd33f0f655949acfeda5e9017b8ac43251b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:54e4884c998a0669084dd082cfb19e1d3ed896d73fa05b34cb8aca081a54edec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830209
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Swan Lake, Op. 20, TH 12 / Act I: No. 8 Danse des coupes (Tempo di polacca) · Machine-readable JSON-LD