ISRC CZA162200134
Verified recording
CZA162200134 is “String Quintet No. 2 in G Major, Op. 111: IV. Vivace ma non troppo presto” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x1b2a3102b3d31d35f2113766fb51a5879af82e8b925f9242ada30044796d978c 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/CZA162200134.
Recording identifiers
- ISRC
- CZA162200134
- Title
- String Quintet No. 2 in G Major, Op. 111: IV. Vivace ma non troppo presto
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x1b2a3102b3d31d35f2113766fb51a5879af82e8b925f9242ada30044796d978c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ab624ad6a23b79935382bed441f133b72dfed4cf5f4f725843ea17d1d431b804- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162200134
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quintet No. 2 in G Major, Op. 111: IV. Vivace ma non troppo presto · Machine-readable JSON-LD