ISRC DEF059603473

Verified recording

DEF059603473 is “6 Bagatelles for Wind Quintet (1953, Arr. from Musica ricercata): III. Allegro grazioso” by György Ligeti, registered on the CopyrightChains blockchain with CopyrightID 0x5facac0b720997dff368845359ffeb42f85afc047b8c95da25f4b58a14d07e71 and independently timestamped in Bitcoin block 957052 on 2026-07-07. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603473.

Recording identifiers

ISRC
DEF059603473
Title
6 Bagatelles for Wind Quintet (1953, Arr. from Musica ricercata): III. Allegro grazioso
Artist
György Ligeti
CopyrightID (CopyrightChains transaction hash)
0x5facac0b720997dff368845359ffeb42f85afc047b8c95da25f4b58a14d07e71

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41+00:00
Bitcoin block
957052
Canonical record hash
sha256:6169506efca580b13fe75791aa6bf4f7b18617a1fa5a200a363ee9d08547e387
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603473
Bitcoin block existence check
https://blockstream.info/api/block/957052

Full record

Track page: 6 Bagatelles for Wind Quintet (1953, Arr. from Musica ricercata): III. Allegro grazioso · Machine-readable JSON-LD