ISRC DEF057030820
Verified recording
DEF057030820 is “Oberon, J.306 / Act 1: "Warum musst du schlafen"” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0xfcd20d17c703843d9729bee22e8ff417777013b50f30675eed599283d7977703 and independently timestamped
in Bitcoin block 960410 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057030820.
Recording identifiers
- ISRC
- DEF057030820
- Title
- Oberon, J.306 / Act 1: "Warum musst du schlafen"
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0xfcd20d17c703843d9729bee22e8ff417777013b50f30675eed599283d7977703
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:50:38+00:00
- Bitcoin block
- 960410
- Canonical record hash
sha256:4a54608bef45920af43c2deb78e74902373c7ded7c85ff2d2f4a1aa3a7b1f717- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057030820
- Bitcoin block existence check
- https://blockstream.info/api/block/960410
Full record
Track page: Oberon, J.306 / Act 1: "Warum musst du schlafen" · Machine-readable JSON-LD