ISRC US87H8810436
Verified recording
US87H8810436 is “11'-38'” by Karlheinz Stockhausen,
registered on the CopyrightChains blockchain with CopyrightID
0xda33fa83c776b78c159b20331cd0d0f52cd7e471534e05f9c69c9cfe00d823af and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US87H8810436.
Recording identifiers
- ISRC
- US87H8810436
- Title
- 11'-38'
- Artist
- Karlheinz Stockhausen
- CopyrightID (CopyrightChains transaction hash)
0xda33fa83c776b78c159b20331cd0d0f52cd7e471534e05f9c69c9cfe00d823af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:191c4a2e73c14e539249786c6cf6a8eef8ecec17172772ab18e2ccb84d67e510- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US87H8810436
- Bitcoin block existence check
- https://blockstream.info/api/block/960327