ISRC ITD542100173
Verified recording
ITD542100173 is “Variations on a Theme by Tchaikovsky, Op. 35a: Var. II. Allegro non troppo” by Anton Arensky,
registered on the CopyrightChains blockchain with CopyrightID
0x8a64ed01eeb0306913c36edb8bb4f3eb80ad39f28d3a028456a98bd3a1d709d5 and independently timestamped
in Bitcoin block 959137 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542100173.
Recording identifiers
- ISRC
- ITD542100173
- Title
- Variations on a Theme by Tchaikovsky, Op. 35a: Var. II. Allegro non troppo
- Artist
- Anton Arensky
- CopyrightID (CopyrightChains transaction hash)
0x8a64ed01eeb0306913c36edb8bb4f3eb80ad39f28d3a028456a98bd3a1d709d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:03:35+00:00
- Bitcoin block
- 959137
- Canonical record hash
sha256:47e2cd66f387f99f2d9aafb21aaa04ae720a4de30a937cb13e528e3e1390fd5f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542100173
- Bitcoin block existence check
- https://blockstream.info/api/block/959137
Full record
Track page: Variations on a Theme by Tchaikovsky, Op. 35a: Var. II. Allegro non troppo · Machine-readable JSON-LD