ISRC CH0011500521
Verified recording
CH0011500521 is “Swan Lake, Op. 20: Act II: Danses des cygnes” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xc7b7ac42d0bd89e5be4316edf2db0e647d049b720670517f905246b07a55ada2 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/CH0011500521.
Recording identifiers
- ISRC
- CH0011500521
- Title
- Swan Lake, Op. 20: Act II: Danses des cygnes
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xc7b7ac42d0bd89e5be4316edf2db0e647d049b720670517f905246b07a55ada2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4f3cfb6e92345e301fd5dc19a53e00432b5dfed7ed7f096a426bc1ad449ace86- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0011500521
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Swan Lake, Op. 20: Act II: Danses des cygnes · Machine-readable JSON-LD