ISRC ITD542100174
Verified recording
ITD542100174 is “Variations on a Theme by Tchaikovsky, Op. 35a: Var. III. Andantino tranquillo” by Anton Arensky,
registered on the CopyrightChains blockchain with CopyrightID
0xaff6fd5f6549e543706bcec5166e2410789c40a02040039f2b983688af582894 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542100174.
Recording identifiers
- ISRC
- ITD542100174
- Title
- Variations on a Theme by Tchaikovsky, Op. 35a: Var. III. Andantino tranquillo
- Artist
- Anton Arensky
- CopyrightID (CopyrightChains transaction hash)
0xaff6fd5f6549e543706bcec5166e2410789c40a02040039f2b983688af582894
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:41f66851cf0f1835fe01fa3e76a8dfa6d849d4bd3c20e188bfdf5bb45efe685b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542100174
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: Variations on a Theme by Tchaikovsky, Op. 35a: Var. III. Andantino tranquillo · Machine-readable JSON-LD