ISRC USL4R2135812

Verified recording

USL4R2135812 is “Nocturne” by Dobrinka Tabakova, registered on the CopyrightChains blockchain with CopyrightID 0xd1c91356780a110c82e1e662b558ab0ec1fdcea771f83c097520e2387b23037a and independently timestamped in Bitcoin block 953513 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2135812.

Recording identifiers

ISRC
USL4R2135812
Title
Nocturne
Artist
Dobrinka Tabakova
CopyrightID (CopyrightChains transaction hash)
0xd1c91356780a110c82e1e662b558ab0ec1fdcea771f83c097520e2387b23037a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07+00:00
Bitcoin block
953513
Canonical record hash
sha256:8a8700105099c0bc209439488586539fab2d4f8122811fba6a08c266f1daa2fe
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2135812
Bitcoin block existence check
https://blockstream.info/api/block/953513

Full record

Track page: Nocturne · Machine-readable JSON-LD