ISRC DEF055901473
Verified recording
DEF055901473 is “String Quartet No. 2 in A Minor, Op. 51, No. 2: III. Quasi minuetto, moderato - Allegretto vivace” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xb58961b44de96134ca26d0036252efc4b5d2d2be6d84848dca95a082bffae327 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055901473.
Recording identifiers
- ISRC
- DEF055901473
- Title
- String Quartet No. 2 in A Minor, Op. 51, No. 2: III. Quasi minuetto, moderato - Allegretto vivace
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xb58961b44de96134ca26d0036252efc4b5d2d2be6d84848dca95a082bffae327
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:177276fdd1f4c356d9101833a1accb8c73390424d8a4e7bf2f78e0a53899a7e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055901473
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: String Quartet No. 2 in A Minor, Op. 51, No. 2: III. Quasi minuetto, moderato - Allegretto vivace · Machine-readable JSON-LD