ISRC NOFZS9506140
Verified recording
NOFZS9506140 is “Piano Sonata No.29 Op.129, "Sonata Etere": 2: Tono Etero In Variazioni: Tranquillo Ma Deciso” by Geirr Tveitt,
registered on the CopyrightChains blockchain with CopyrightID
0xefab5f0b6067bd2d7154c90640b1fbc8c4a41f274401c2e3effe0c10035c7a64 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFZS9506140.
Recording identifiers
- ISRC
- NOFZS9506140
- Title
- Piano Sonata No.29 Op.129, "Sonata Etere": 2: Tono Etero In Variazioni: Tranquillo Ma Deciso
- Artist
- Geirr Tveitt
- CopyrightID (CopyrightChains transaction hash)
0xefab5f0b6067bd2d7154c90640b1fbc8c4a41f274401c2e3effe0c10035c7a64
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:4aec4a41f2af01788fb1a1bfd6b8fcc05bb4bc1fdb3826eb859918a1d38d62df- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFZS9506140
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Piano Sonata No.29 Op.129, "Sonata Etere": 2: Tono Etero In Variazioni: Tranquillo Ma Deciso · Machine-readable JSON-LD