ISRC GBAYC9701621
Verified recording
GBAYC9701621 is “Waltzes, Op. 39: No. 1 in B Major (Tempo guisto)” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xeaa1e8d4526f7bf7ddec41ea3fbaaaca55938492489e1ac8e28a44f352896ab9 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9701621.
Recording identifiers
- ISRC
- GBAYC9701621
- Title
- Waltzes, Op. 39: No. 1 in B Major (Tempo guisto)
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xeaa1e8d4526f7bf7ddec41ea3fbaaaca55938492489e1ac8e28a44f352896ab9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ed9a17eb9b00a8c9df514ee57f040cc16a29537d0566fdb4c3b962551029d6e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9701621
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Waltzes, Op. 39: No. 1 in B Major (Tempo guisto) · Machine-readable JSON-LD