ISRC DEF055901461
Verified recording
DEF055901461 is “String Quartet No. 1 in C Minor, Op. 51, No. 1: I. Allegro” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x4e88c568d48c922a3a9fd1d95feef45b91a1ee0ff824dba49c342b704b5363c0 and independently timestamped
in Bitcoin block 960113 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055901461.
Recording identifiers
- ISRC
- DEF055901461
- Title
- String Quartet No. 1 in C Minor, Op. 51, No. 1: I. Allegro
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x4e88c568d48c922a3a9fd1d95feef45b91a1ee0ff824dba49c342b704b5363c0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:38:16+00:00
- Bitcoin block
- 960113
- Canonical record hash
sha256:610a8f856cedacf95b086ae9aa7cdda7a281cfa36bc587a5dbd805a62c99afea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055901461
- Bitcoin block existence check
- https://blockstream.info/api/block/960113
Full record
Track page: String Quartet No. 1 in C Minor, Op. 51, No. 1: I. Allegro · Machine-readable JSON-LD