ISRC US6R21428031
Verified recording
US6R21428031 is “Sixteen Waltzes, Op. 39: Waltz No. 15 in A Major” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x2d942dc5cec53361eaf61a0d5097b313474767c27ac67b4225ed1674bf0b8837 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21428031.
Recording identifiers
- ISRC
- US6R21428031
- Title
- Sixteen Waltzes, Op. 39: Waltz No. 15 in A Major
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x2d942dc5cec53361eaf61a0d5097b313474767c27ac67b4225ed1674bf0b8837
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:cb232a5f19d3dd5f41bd0fbf9b738e23ffe1b8ca8634765675d1c671ce65dc47- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21428031
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Sixteen Waltzes, Op. 39: Waltz No. 15 in A Major · Machine-readable JSON-LD