ISRC US87H8810438
Verified recording
US87H8810438 is “20'-00'” by Karlheinz Stockhausen,
registered on the CopyrightChains blockchain with CopyrightID
0x484cc0f676e5ecb68006086e41b2e79ba3a0bb6f05777ddaa732c3afe89fd630 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US87H8810438.
Recording identifiers
- ISRC
- US87H8810438
- Title
- 20'-00'
- Artist
- Karlheinz Stockhausen
- CopyrightID (CopyrightChains transaction hash)
0x484cc0f676e5ecb68006086e41b2e79ba3a0bb6f05777ddaa732c3afe89fd630
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:8902360dbb75d8fe112c71e1d1c45c16c962e9eeb6650f9f77bbb1b106311a6a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US87H8810438
- Bitcoin block existence check
- https://blockstream.info/api/block/960418