ISRC USQFK1200253
Verified recording
USQFK1200253 is “Nostalgie” by Darius Denon,
registered on the CopyrightChains blockchain with CopyrightID
0xff151940275c701b19d6697ac3407d62bf939982a1dc8a8998233e1b44e4cd7c and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQFK1200253.
Recording identifiers
- ISRC
- USQFK1200253
- Title
- Nostalgie
- Artist
- Darius Denon
- CopyrightID (CopyrightChains transaction hash)
0xff151940275c701b19d6697ac3407d62bf939982a1dc8a8998233e1b44e4cd7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:24033509049a4769a2d23947e6ad927a705e56bacb5b83433648f7718a6e88f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQFK1200253
- Bitcoin block existence check
- https://blockstream.info/api/block/956302