ISRC DEF057830203
Verified recording
DEF057830203 is “Swan Lake, Op. 20, TH. 12 / Act I: No. 2 Valse (Corps de Ballet)” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xd1052ea0de5e43328ba8a5884cb1360d53f05f6aec7557a71cec726880bda489 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/DEF057830203.
Recording identifiers
- ISRC
- DEF057830203
- Title
- Swan Lake, Op. 20, TH. 12 / Act I: No. 2 Valse (Corps de Ballet)
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xd1052ea0de5e43328ba8a5884cb1360d53f05f6aec7557a71cec726880bda489
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3525f6964d1d82bccdf5e845394db84d388bef4630cd83f643cbf7bf8622b60a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830203
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Swan Lake, Op. 20, TH. 12 / Act I: No. 2 Valse (Corps de Ballet) · Machine-readable JSON-LD