ISRC DEC291562301
Verified recording
DEC291562301 is “Zwei Quartette für 2 Violinen, Viola und Violoncello in C Minor, Op. 51, No. 1: I. Allegro” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x65f7f7986d6f26594e511979552ab4fac6cc588dbba4c93c2cd8e7659b71bdc8 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/DEC291562301.
Recording identifiers
- ISRC
- DEC291562301
- Title
- Zwei Quartette für 2 Violinen, Viola und Violoncello in C Minor, Op. 51, No. 1: I. Allegro
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x65f7f7986d6f26594e511979552ab4fac6cc588dbba4c93c2cd8e7659b71bdc8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4d2f3cf34b1fb7da169b7a068ad3e0d71b322924b112c772d91b1c3895e5808f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC291562301
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Zwei Quartette für 2 Violinen, Viola und Violoncello in C Minor, Op. 51, No. 1: I. Allegro · Machine-readable JSON-LD