ISRC FR50X1524812
Verified recording
FR50X1524812 is “String Quartet No. 3 in B-Flat Major, Op. 67: IV. Poco allegretto con variazioni” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xc2e0813511031d5c1521bc98e1152ff100b935b1c0daa5fa4f1543b193514816 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/FR50X1524812.
Recording identifiers
- ISRC
- FR50X1524812
- Title
- String Quartet No. 3 in B-Flat Major, Op. 67: IV. Poco allegretto con variazioni
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xc2e0813511031d5c1521bc98e1152ff100b935b1c0daa5fa4f1543b193514816
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:7bae51c017ed716fd080f8a86f2969dcc5b5bebaf67459236878a4189dfab313- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1524812
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: String Quartet No. 3 in B-Flat Major, Op. 67: IV. Poco allegretto con variazioni · Machine-readable JSON-LD