ISRC US5540501627
Verified recording
US5540501627 is “Nocturne No. 20 in C-Sharp Minor, Op. Posth.” by Evelyne Dubourg,
registered on the CopyrightChains blockchain with CopyrightID
0xf1aaa3cd9f6848435de1614893e3db3b54cfadec59d55589d5a1150ed2307796 and independently timestamped
in Bitcoin block 960230 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5540501627.
Recording identifiers
- ISRC
- US5540501627
- Title
- Nocturne No. 20 in C-Sharp Minor, Op. Posth.
- Artist
- Evelyne Dubourg
- CopyrightID (CopyrightChains transaction hash)
0xf1aaa3cd9f6848435de1614893e3db3b54cfadec59d55589d5a1150ed2307796
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:32:18+00:00
- Bitcoin block
- 960230
- Canonical record hash
sha256:98d072c37b43a67706c13207c5a78a7a1c92480472965b5d81892c47d9d79ba4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5540501627
- Bitcoin block existence check
- https://blockstream.info/api/block/960230
Full record
Track page: Nocturne No. 20 in C-Sharp Minor, Op. Posth. · Machine-readable JSON-LD