ISRC DEF059630001
Verified recording
DEF059630001 is “Variations on a Rococo Theme, Op. 33, TH 57: Moderato assai quasi andante” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x66b41d918de18ce41c785ece15fed55ba358b8e8e634fce0eb24d6be8c1eef50 and independently timestamped
in Bitcoin block 957050 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059630001.
Recording identifiers
- ISRC
- DEF059630001
- Title
- Variations on a Rococo Theme, Op. 33, TH 57: Moderato assai quasi andante
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x66b41d918de18ce41c785ece15fed55ba358b8e8e634fce0eb24d6be8c1eef50
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:41:13+00:00
- Bitcoin block
- 957050
- Canonical record hash
sha256:42af1d27552b07b6558305fa8c883ddae992af1f92f1ac98848311390687ac16- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059630001
- Bitcoin block existence check
- https://blockstream.info/api/block/957050
Full record
Track page: Variations on a Rococo Theme, Op. 33, TH 57: Moderato assai quasi andante · Machine-readable JSON-LD