ISRC NLB152400553
Verified recording
NLB152400553 is “Symphony No. 4 in D Minor, Op. 120: II. Romanze: Ziemlich langsam” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x4c2f7c23dfcd09a0525fc2a7dc4959c41384acfe4848f2cb2f041289550a4b2c 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/NLB152400553.
Recording identifiers
- ISRC
- NLB152400553
- Title
- Symphony No. 4 in D Minor, Op. 120: II. Romanze: Ziemlich langsam
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x4c2f7c23dfcd09a0525fc2a7dc4959c41384acfe4848f2cb2f041289550a4b2c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:35113ac8349585a058dda871d1ecd681b040e057f1ee240743523d5d0d12dd5e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB152400553
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Symphony No. 4 in D Minor, Op. 120: II. Romanze: Ziemlich langsam · Machine-readable JSON-LD