ISRC SEWDL0730705
Verified recording
SEWDL0730705 is “Waltzes, Op. 69: No. 1 in A-Flat Major "Farewell Waltz"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x2d536ac0fd4c3f098009707c008cb640a18b9540e50c9c6768f46ac72ee6fbd1 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0730705.
Recording identifiers
- ISRC
- SEWDL0730705
- Title
- Waltzes, Op. 69: No. 1 in A-Flat Major "Farewell Waltz"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x2d536ac0fd4c3f098009707c008cb640a18b9540e50c9c6768f46ac72ee6fbd1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b7259443e4e2b88e35a00294a9ab595d8e669b18afa080ff11e2eb79255eff29- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0730705
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Waltzes, Op. 69: No. 1 in A-Flat Major "Farewell Waltz" · Machine-readable JSON-LD