ISRC NLA507200945
Verified recording
NLA507200945 is “Schwanengesang, D.957: Ständchen” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x20894d9eab2247fa2547d394e3ac9190b5520a9e57d1b890db3a9a23f679c3f7 and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200945.
Recording identifiers
- ISRC
- NLA507200945
- Title
- Schwanengesang, D.957: Ständchen
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x20894d9eab2247fa2547d394e3ac9190b5520a9e57d1b890db3a9a23f679c3f7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:767df367fd49a507f6cc4cb80ac862c002a0d4173ab066c65c0cbb9a9d76d03a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200945
- Bitcoin block existence check
- https://blockstream.info/api/block/960229
Full record
Track page: Schwanengesang, D.957: Ständchen · Machine-readable JSON-LD