ISRC QZWDD2359646
Verified recording
QZWDD2359646 is “Chopin Waltz in F Major, Op. 34, No. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x67d6bea6609b540c3cae9a9986deb652f217d65768c1fdaecfc45e0dff220684 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/QZWDD2359646.
Recording identifiers
- ISRC
- QZWDD2359646
- Title
- Chopin Waltz in F Major, Op. 34, No. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x67d6bea6609b540c3cae9a9986deb652f217d65768c1fdaecfc45e0dff220684
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:ed75bb0a48fb15ce5906fabdea4649fe9fadd91b48c9ee572b4c4ebc52035b86- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2359646
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Chopin Waltz in F Major, Op. 34, No. 3 · Machine-readable JSON-LD