ISRC SEWDL6142859
Verified recording
SEWDL6142859 is “Mazurkas, Op. 67: III. Allegretto in C Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc99be308a0587d82096a62a54e4373c0c49deae491353fa252eb3335d52b3da2 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142859.
Recording identifiers
- ISRC
- SEWDL6142859
- Title
- Mazurkas, Op. 67: III. Allegretto in C Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc99be308a0587d82096a62a54e4373c0c49deae491353fa252eb3335d52b3da2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:05c490fc808c91484a890ffd6dc2cb69f12feeb6332a543fc57fe4b1676696d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142859
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Mazurkas, Op. 67: III. Allegretto in C Major · Machine-readable JSON-LD