ISRC NLA507919612
Verified recording
NLA507919612 is “16 Waltzes, Op. 39: No. 11 in B Minor” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xa057d63715e03f5984c70f6177c8274da2d2b6947aca689f5f6a1adc99364bd1 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507919612.
Recording identifiers
- ISRC
- NLA507919612
- Title
- 16 Waltzes, Op. 39: No. 11 in B Minor
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xa057d63715e03f5984c70f6177c8274da2d2b6947aca689f5f6a1adc99364bd1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:d9dbebc17fdb26e8d5bf843aabd44a01dc48f2f8cde80c933c52c8f9de670913- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507919612
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 16 Waltzes, Op. 39: No. 11 in B Minor · Machine-readable JSON-LD