ISRC NLA507300474
Verified recording
NLA507300474 is “24 Preludes, Op. 28: No. 3 in G Major. Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x825a97548c1d640f421d92c2a0da23e47f202d2711dde0f8bbe4a820eccbc335 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300474.
Recording identifiers
- ISRC
- NLA507300474
- Title
- 24 Preludes, Op. 28: No. 3 in G Major. Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x825a97548c1d640f421d92c2a0da23e47f202d2711dde0f8bbe4a820eccbc335
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:54f9dc02256d28705284cc36f145bfab1323ba4e52da140545575c23a7a52f7a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300474
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 24 Preludes, Op. 28: No. 3 in G Major. Vivace · Machine-readable JSON-LD