ISRC SEWDL0718906
Verified recording
SEWDL0718906 is “Waltzes, Op. 39: No. 3 in G-Sharp Minor” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x30de3b72651dbb2b754020531a590a142d4d886bb63acbf6997610c152346321 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0718906.
Recording identifiers
- ISRC
- SEWDL0718906
- Title
- Waltzes, Op. 39: No. 3 in G-Sharp Minor
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x30de3b72651dbb2b754020531a590a142d4d886bb63acbf6997610c152346321
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:10b0d4cabc74fda0699d5822b29b2f3d71a218f7d19e7554851363c832d2f0a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0718906
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Waltzes, Op. 39: No. 3 in G-Sharp Minor · Machine-readable JSON-LD