ISRC NLE422005633
Verified recording
NLE422005633 is “Fidelio, Op. 72, Act II: O namenlose Freude!” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xd4b315c779485ea186b3ce3e760cc02f357c30cec9a8a763cc16d055b059fbc5 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422005633.
Recording identifiers
- ISRC
- NLE422005633
- Title
- Fidelio, Op. 72, Act II: O namenlose Freude!
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xd4b315c779485ea186b3ce3e760cc02f357c30cec9a8a763cc16d055b059fbc5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:962c0dc8b2e16a838188df1ae7356083c72a6779c72ce5319d08bcab7b5ccef3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422005633
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Fidelio, Op. 72, Act II: O namenlose Freude! · Machine-readable JSON-LD