ISRC DEF057830250

Verified recording

DEF057830250 is “Swan Lake, Op. 20, TH. 12 / Act I: No. 4e Pas de trois: Allegro” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0xee04741e4d01a22df01dbe8779e94720b179704913c7e467d324713ddc254284 and independently timestamped in Bitcoin block 960240 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830250.

Recording identifiers

ISRC
DEF057830250
Title
Swan Lake, Op. 20, TH. 12 / Act I: No. 4e Pas de trois: Allegro
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0xee04741e4d01a22df01dbe8779e94720b179704913c7e467d324713ddc254284

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T09:57:33+00:00
Bitcoin block
960240
Canonical record hash
sha256:f5cb0a92518ef355d686639a47509a3f855907af777c61c4969cf04c8db757b3
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830250
Bitcoin block existence check
https://blockstream.info/api/block/960240

Full record

Track page: Swan Lake, Op. 20, TH. 12 / Act I: No. 4e Pas de trois: Allegro · Machine-readable JSON-LD