ISRC DEF056802492
Verified recording
DEF056802492 is “String Quintet No. 1 in F Major, Op. 88: II. Grave ed appassionato - Allegretto vivace - Tempo I - Presto” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xb866e2c3553335551146e39cc93c0de2b2eb46ec1a048a16b29d3188be4b9b7f 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/DEF056802492.
Recording identifiers
- ISRC
- DEF056802492
- Title
- String Quintet No. 1 in F Major, Op. 88: II. Grave ed appassionato - Allegretto vivace - Tempo I - Presto
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xb866e2c3553335551146e39cc93c0de2b2eb46ec1a048a16b29d3188be4b9b7f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0fda649266b1cce6b785935df848c5e3a5285685c421accc55e57b5eb8ef5b14- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056802492
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quintet No. 1 in F Major, Op. 88: II. Grave ed appassionato - Allegretto vivace - Tempo I - Presto · Machine-readable JSON-LD