ISRC DEF056601354
Verified recording
DEF056601354 is “String Sextet No. 1 in B Flat Major, Op. 18: IV. Rondo (Poco allegretto e grazioso)” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x3e5861c1fb9acf56fb63c75e66960d7393f8ffc4a59d608e744ac430134cc843 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/DEF056601354.
Recording identifiers
- ISRC
- DEF056601354
- Title
- String Sextet No. 1 in B Flat Major, Op. 18: IV. Rondo (Poco allegretto e grazioso)
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x3e5861c1fb9acf56fb63c75e66960d7393f8ffc4a59d608e744ac430134cc843
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:87864e6518e84fd41914e82167fe544d073d41ce4a3a956da2106ef3fee5af91- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056601354
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Sextet No. 1 in B Flat Major, Op. 18: IV. Rondo (Poco allegretto e grazioso) · Machine-readable JSON-LD