ISRC SEWDL0718916
Verified recording
SEWDL0718916 is “Waltzes, Op. 39: No. 13 in B Major” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x94b8c7e1e3105af4324a587e9a3fb1b4223bc4f82b7fae2a706dee3a92f34218 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0718916.
Recording identifiers
- ISRC
- SEWDL0718916
- Title
- Waltzes, Op. 39: No. 13 in B Major
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x94b8c7e1e3105af4324a587e9a3fb1b4223bc4f82b7fae2a706dee3a92f34218
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:9bc17ba7c849bc0af88da6fce79c3474adf723046215890f8f6680454b54dfbe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0718916
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Waltzes, Op. 39: No. 13 in B Major · Machine-readable JSON-LD