ISRC DEF057902194
Verified recording
DEF057902194 is “Symphony No. 3 in D Major, Op. 29 "Polish": IV. Scherzo. Allegro vivo” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x4b4fddfd976d937922a55a2eb0166eb06b41fc3c89257f3f32f60ec8b7ed8f1b 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/DEF057902194.
Recording identifiers
- ISRC
- DEF057902194
- Title
- Symphony No. 3 in D Major, Op. 29 "Polish": IV. Scherzo. Allegro vivo
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x4b4fddfd976d937922a55a2eb0166eb06b41fc3c89257f3f32f60ec8b7ed8f1b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7f3cc0692c644b906ce818d8a7560d8769caf2756757e50a83154ac00d5497db- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057902194
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 3 in D Major, Op. 29 "Polish": IV. Scherzo. Allegro vivo · Machine-readable JSON-LD