ISRC QMFMF1544856
Verified recording
QMFMF1544856 is “Waltz No. 6 in D-Flat Major, Op. 64, No. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa0a7c75921f1958a78e4df9d637af61d188f41d2dbca7755f2290cbe2b777ac1 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1544856.
Recording identifiers
- ISRC
- QMFMF1544856
- Title
- Waltz No. 6 in D-Flat Major, Op. 64, No. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa0a7c75921f1958a78e4df9d637af61d188f41d2dbca7755f2290cbe2b777ac1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:65c433fca6940819ef6936d3b4e6511862df4b03fea70d7e38ce6ce00b60f63e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1544856
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Waltz No. 6 in D-Flat Major, Op. 64, No. 3 · Machine-readable JSON-LD