ISRC CH6542077889
Verified recording
CH6542077889 is “XVI: Il penseroso” by Stephen Heller,
registered on the CopyrightChains blockchain with CopyrightID
0xc77205135d74e78ced300ccf8fd9d5e41faa652ba75e7a1b9f8768501d6f3083 and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542077889.
Recording identifiers
- ISRC
- CH6542077889
- Title
- XVI: Il penseroso
- Artist
- Stephen Heller
- CopyrightID (CopyrightChains transaction hash)
0xc77205135d74e78ced300ccf8fd9d5e41faa652ba75e7a1b9f8768501d6f3083
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:22ed8001dfa6a49713e1f723af139256006ef6cdafc5895c3a0b9722bb400bca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542077889
- Bitcoin block existence check
- https://blockstream.info/api/block/960500