ISRC SEWDL6142677
Verified recording
SEWDL6142677 is “Waltzes, Op. 69: I. Lento in A-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd342ed8b360b45e599908b94b197f8282584607b6953a5c1520dd115c9fd641d and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142677.
Recording identifiers
- ISRC
- SEWDL6142677
- Title
- Waltzes, Op. 69: I. Lento in A-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd342ed8b360b45e599908b94b197f8282584607b6953a5c1520dd115c9fd641d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:6cb535c9031def680d48adca10ea8ef9375b245436d3a51d88967460078b0aa3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142677
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Waltzes, Op. 69: I. Lento in A-Flat Major · Machine-readable JSON-LD