ISRC HKI191249009
Verified recording
HKI191249009 is “2 Waltzes, Op. 153: No. 1. Allegro assai” by Valentin Silvestrov,
registered on the CopyrightChains blockchain with CopyrightID
0x60a788f7ed14987fe7c1d3bb8f3533bd4a04ebda9af294213b3d5dbe77bfd13e and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191249009.
Recording identifiers
- ISRC
- HKI191249009
- Title
- 2 Waltzes, Op. 153: No. 1. Allegro assai
- Artist
- Valentin Silvestrov
- CopyrightID (CopyrightChains transaction hash)
0x60a788f7ed14987fe7c1d3bb8f3533bd4a04ebda9af294213b3d5dbe77bfd13e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:c2d7c42047379f8b44ca1a4deb65c8567ed07103dd0a91ca831842780964ca95- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191249009
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: 2 Waltzes, Op. 153: No. 1. Allegro assai · Machine-readable JSON-LD