ISRC NOFZS1364140
Verified recording
NOFZS1364140 is “Valse Triste, Op. 44” by Jean Sibelius,
registered on the CopyrightChains blockchain with CopyrightID
0x0ad163853eb9be88f5aea812e06495ac91a2cdade8274c8a2744d28d281fbf1a and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFZS1364140.
Recording identifiers
- ISRC
- NOFZS1364140
- Title
- Valse Triste, Op. 44
- Artist
- Jean Sibelius
- CopyrightID (CopyrightChains transaction hash)
0x0ad163853eb9be88f5aea812e06495ac91a2cdade8274c8a2744d28d281fbf1a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:a5fbe8941234ecf11ae2aad1c66f7398bf1618974b064e97b853f832c66d63f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFZS1364140
- Bitcoin block existence check
- https://blockstream.info/api/block/960468