ISRC DEF056000223
Verified recording
DEF056000223 is “String Quartet No. 3 in B Flat Major, Op. 67: III. Agitato (Allegretto non troppo)” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x6368532a1831ea9990b346f119cde84187cc9086cec4adde6734e1c872f740fd and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000223.
Recording identifiers
- ISRC
- DEF056000223
- Title
- String Quartet No. 3 in B Flat Major, Op. 67: III. Agitato (Allegretto non troppo)
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x6368532a1831ea9990b346f119cde84187cc9086cec4adde6734e1c872f740fd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:0b9c2152b3bbf1c2c6a0bb33513c1e091e1c84686f156979d11cb57eeca678f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000223
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: String Quartet No. 3 in B Flat Major, Op. 67: III. Agitato (Allegretto non troppo) · Machine-readable JSON-LD