ISRC NLE421805704
Verified recording
NLE421805704 is “Schwanengesang, D. 957: No. 4, Ständchen” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xc0524f6aeed57a5a754e7d48c22fab2f915706d6ffb7b205a88c78939b8acfe2 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805704.
Recording identifiers
- ISRC
- NLE421805704
- Title
- Schwanengesang, D. 957: No. 4, Ständchen
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xc0524f6aeed57a5a754e7d48c22fab2f915706d6ffb7b205a88c78939b8acfe2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:2e7916dad494727b4aa7940460aba6f633251d344cdc89c7de5352224255cf25- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805704
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Schwanengesang, D. 957: No. 4, Ständchen · Machine-readable JSON-LD