ISRC NLQK91800011
Verified recording
NLQK91800011 is “6 Romances, Op.4, No.4: Ne poy, krasavitsa, pri mne (Do Not Sing to Me, My Beauty)” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xf9b5331b1ac539dc98c8546d8b87bec824a6a416585a1e848f93890011c4aaee and independently timestamped
in Bitcoin block 960340 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQK91800011.
Recording identifiers
- ISRC
- NLQK91800011
- Title
- 6 Romances, Op.4, No.4: Ne poy, krasavitsa, pri mne (Do Not Sing to Me, My Beauty)
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xf9b5331b1ac539dc98c8546d8b87bec824a6a416585a1e848f93890011c4aaee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:417453c53f3b08c0c9747cb9c4e5ca392befb7a87db9bc56ade751ebf190496f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQK91800011
- Bitcoin block existence check
- https://blockstream.info/api/block/960340
Full record
Track page: 6 Romances, Op.4, No.4: Ne poy, krasavitsa, pri mne (Do Not Sing to Me, My Beauty) · Machine-readable JSON-LD