ISRC NLA505900191
Verified recording
NLA505900191 is “Symphony No. 7 in D Minor, Op. 70, B. 141: II. Poco adagio” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0xb09bc5e0db59242126bd6b912a0ec1c7caa43dc192c81d7585bdd8a3d5728a55 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA505900191.
Recording identifiers
- ISRC
- NLA505900191
- Title
- Symphony No. 7 in D Minor, Op. 70, B. 141: II. Poco adagio
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0xb09bc5e0db59242126bd6b912a0ec1c7caa43dc192c81d7585bdd8a3d5728a55
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:4b41eb9e2f04bb762c3f6014c94cd438865fbc29e97116ea5ac49a67f5a6700b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA505900191
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Symphony No. 7 in D Minor, Op. 70, B. 141: II. Poco adagio · Machine-readable JSON-LD