ISRC DEF057801273
Verified recording
DEF057801273 is “Swan Lake Suite, Op. 20a: III. Danse des cygnes. Allegro moderato” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x1eb7df652b14a7b54541ca3ff698ccdabe997885031ef7b5d5f7a74f514400a1 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057801273.
Recording identifiers
- ISRC
- DEF057801273
- Title
- Swan Lake Suite, Op. 20a: III. Danse des cygnes. Allegro moderato
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x1eb7df652b14a7b54541ca3ff698ccdabe997885031ef7b5d5f7a74f514400a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:ef55387250559a0ce2fd76752bb4852925502e311d6a49dae1715a5f3b8bce3a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057801273
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Swan Lake Suite, Op. 20a: III. Danse des cygnes. Allegro moderato · Machine-readable JSON-LD