ISRC FR9W11809282
Verified recording
FR9W11809282 is “String Sextet No. 1 in B-Flat Major, Op. 18: II. Andante ma moderato - Live” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xff0f3dc1c7421cc1e2ffa7887043e7c56dab44034bc8ac2e59beb8f078b4af77 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11809282.
Recording identifiers
- ISRC
- FR9W11809282
- Title
- String Sextet No. 1 in B-Flat Major, Op. 18: II. Andante ma moderato - Live
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xff0f3dc1c7421cc1e2ffa7887043e7c56dab44034bc8ac2e59beb8f078b4af77
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:07b1303b8aac1410379ecba6d7bd406ed2f432aeb6abec331aee9ff712f7e595- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11809282
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: String Sextet No. 1 in B-Flat Major, Op. 18: II. Andante ma moderato - Live · Machine-readable JSON-LD