ISRC CH1262091105

Verified recording

CH1262091105 is “The Seven Last Words of Christ, Hob. XX:1: V. Sonata 4. Largo” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0x04a5e3c0dcd9f4bc313f15c74860c317db25402c018f4a0f0247f1691aac587e and independently timestamped in Bitcoin block 957122 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262091105.

Recording identifiers

ISRC
CH1262091105
Title
The Seven Last Words of Christ, Hob. XX:1: V. Sonata 4. Largo
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0x04a5e3c0dcd9f4bc313f15c74860c317db25402c018f4a0f0247f1691aac587e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04+00:00
Bitcoin block
957122
Canonical record hash
sha256:33037e8642eee1bd64a87e77ad92c089abf1c827ea05b4e8ed9f8ac39b9112ba
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262091105
Bitcoin block existence check
https://blockstream.info/api/block/957122

Full record

Track page: The Seven Last Words of Christ, Hob. XX:1: V. Sonata 4. Largo · Machine-readable JSON-LD