ISRC NLE421906504
Verified recording
NLE421906504 is “Der Freischütz, Op. 77, J. 277, Act I: O! diese Sonne!” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0x21749180d2ebdb68b6e2b3eb1ee5ab13e890d1a46f9179e724528232591447aa and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421906504.
Recording identifiers
- ISRC
- NLE421906504
- Title
- Der Freischütz, Op. 77, J. 277, Act I: O! diese Sonne!
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0x21749180d2ebdb68b6e2b3eb1ee5ab13e890d1a46f9179e724528232591447aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:8394bf6a5602382cc2abf7d583d82741a2ceecf05a6dbc6cb44997613cfdd879- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421906504
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Der Freischütz, Op. 77, J. 277, Act I: O! diese Sonne! · Machine-readable JSON-LD