ISRC QMFMG1442219
Verified recording
QMFMG1442219 is “Waltz No. 1 in D-Flat Major, Op. 64” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa4e113b03ce58199e579d12acddafa22455b218d3b371dc98282c5dd5128364e and independently timestamped
in Bitcoin block 959155 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1442219.
Recording identifiers
- ISRC
- QMFMG1442219
- Title
- Waltz No. 1 in D-Flat Major, Op. 64
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa4e113b03ce58199e579d12acddafa22455b218d3b371dc98282c5dd5128364e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:43:41+00:00
- Bitcoin block
- 959155
- Canonical record hash
sha256:f30ab255aebbbabc647ad06001fc24b104b0ab0b2eecb9a91aeaccb5682a85a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1442219
- Bitcoin block existence check
- https://blockstream.info/api/block/959155
Full record
Track page: Waltz No. 1 in D-Flat Major, Op. 64 · Machine-readable JSON-LD