ISRC FR50X1524810
Verified recording
FR50X1524810 is “String Quartet No. 3 in B-Flat Major, Op. 67: II. Andante” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xd2d0a96a3700041289cd0cba030554c130bbd3339d9081a58aee4db3dac84e30 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/FR50X1524810.
Recording identifiers
- ISRC
- FR50X1524810
- Title
- String Quartet No. 3 in B-Flat Major, Op. 67: II. Andante
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xd2d0a96a3700041289cd0cba030554c130bbd3339d9081a58aee4db3dac84e30
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:e67f8da965aac094409a296d2fe429cf39bf3fc9a5dfe267651e215ff6acf8a5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1524810
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: String Quartet No. 3 in B-Flat Major, Op. 67: II. Andante · Machine-readable JSON-LD