ISRC HKI199201620
Verified recording
HKI199201620 is “Letters From Karl Marx To His Wife Jenny” by Michael Sheen,
registered on the CopyrightChains blockchain with CopyrightID
0x567acabded6d60683398106d78aa192d84b008b59fb0bbcf8c61d56efcbc401b 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/HKI199201620.
Recording identifiers
- ISRC
- HKI199201620
- Title
- Letters From Karl Marx To His Wife Jenny
- Artist
- Michael Sheen
- CopyrightID (CopyrightChains transaction hash)
0x567acabded6d60683398106d78aa192d84b008b59fb0bbcf8c61d56efcbc401b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7da15e3136ae14883259b0528ecf66793a0b1863effb4a3f35528597b4752cd6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199201620
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Letters From Karl Marx To His Wife Jenny · Machine-readable JSON-LD