ISRC DEF059632301
Verified recording
DEF059632301 is “Undine: 1. Lento” by Hans Werner Henze,
registered on the CopyrightChains blockchain with CopyrightID
0x263f7e5b272a45c998aa1714371c2cd3569bc06cc770bf1b74d22b0601fde565 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059632301.
Recording identifiers
- ISRC
- DEF059632301
- Title
- Undine: 1. Lento
- Artist
- Hans Werner Henze
- CopyrightID (CopyrightChains transaction hash)
0x263f7e5b272a45c998aa1714371c2cd3569bc06cc770bf1b74d22b0601fde565
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:4bef9ad7f5db1b1769cc0f113d95b2f131a25948a60e0ffe3fdc6fa29648672a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059632301
- Bitcoin block existence check
- https://blockstream.info/api/block/960427