ISRC GBAYC2400457

Verified recording

GBAYC2400457 is “Say: Cello Sonata, Op. 41 "Four Cities": II. Hopa” by Fazıl Say, registered on the CopyrightChains blockchain with CopyrightID 0x824bb30ce4f20918952279f3e43e51e7abb987d2719c40b94188e5823b8c7b72 and independently timestamped in Bitcoin block 960368 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2400457.

Recording identifiers

ISRC
GBAYC2400457
Title
Say: Cello Sonata, Op. 41 "Four Cities": II. Hopa
Artist
Fazıl Say
CopyrightID (CopyrightChains transaction hash)
0x824bb30ce4f20918952279f3e43e51e7abb987d2719c40b94188e5823b8c7b72

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41+00:00
Bitcoin block
960368
Canonical record hash
sha256:a2de039a68dce1f1fb75b602e1522375bb0c68a8b9fccc247099570ec941bdfe
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2400457
Bitcoin block existence check
https://blockstream.info/api/block/960368

Full record

Track page: Say: Cello Sonata, Op. 41 "Four Cities": II. Hopa · Machine-readable JSON-LD