ISRC ITK262200134
Verified recording
ITK262200134 is “Nocturne, Op. 9 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x58c60203d4ca95d246f5e806b2bcdaefcb4d1f4475350bb6d13734a050551f35 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITK262200134.
Recording identifiers
- ISRC
- ITK262200134
- Title
- Nocturne, Op. 9 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x58c60203d4ca95d246f5e806b2bcdaefcb4d1f4475350bb6d13734a050551f35
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:7f63c27b001a6c6725febbddcaeec748e17a6d5c8fe5119554c2132e7ce55f14- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITK262200134
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Nocturne, Op. 9 No. 2 · Machine-readable JSON-LD