ISRC DEF056702013
Verified recording
DEF056702013 is “String Quintet No. 2 in G Major, Op. 111: III. Un poco allegretto” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x4c1040683a7c6aeefe6eec86ba42057fb5fbe3f73c792d238cad2adff75f74b5 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702013.
Recording identifiers
- ISRC
- DEF056702013
- Title
- String Quintet No. 2 in G Major, Op. 111: III. Un poco allegretto
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x4c1040683a7c6aeefe6eec86ba42057fb5fbe3f73c792d238cad2adff75f74b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:d85dc33c00c76628b0aa964940afb0186ae99e9294e11429c8864f1bacd796de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702013
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: String Quintet No. 2 in G Major, Op. 111: III. Un poco allegretto · Machine-readable JSON-LD