ISRC DEF056601351
Verified recording
DEF056601351 is “String Sextet No. 1 in B-Flat Major, Op. 18: II. Andante ma moderato” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xf14c9434b3234e546fa847e7a7bbb329876da8b6b6ca7e6642a5f387c3407170 and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056601351.
Recording identifiers
- ISRC
- DEF056601351
- Title
- String Sextet No. 1 in B-Flat Major, Op. 18: II. Andante ma moderato
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xf14c9434b3234e546fa847e7a7bbb329876da8b6b6ca7e6642a5f387c3407170
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:0e54200cc34509b3ebd129f0dc80dd650ae2f414c3ca3880231b22277fb12b74- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056601351
- Bitcoin block existence check
- https://blockstream.info/api/block/960229
Full record
Track page: String Sextet No. 1 in B-Flat Major, Op. 18: II. Andante ma moderato · Machine-readable JSON-LD