ISRC ATK952205508

Verified recording

ATK952205508 is “TIERKREIS Work No. 41 8/9 (1975-1981) for clarinet and piano: 5. Zwillinge - Gemini” by Karlheinz Stockhausen, registered on the CopyrightChains blockchain with CopyrightID 0x350446f0046927ca96c747e77a2faccfa8a317083ceb0ecf12df64417a82d808 and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATK952205508.

Recording identifiers

ISRC
ATK952205508
Title
TIERKREIS Work No. 41 8/9 (1975-1981) for clarinet and piano: 5. Zwillinge - Gemini
Artist
Karlheinz Stockhausen
CopyrightID (CopyrightChains transaction hash)
0x350446f0046927ca96c747e77a2faccfa8a317083ceb0ecf12df64417a82d808

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:8900e74f1b2aaf91466d8fc5f676c4f3685b3a2fae8e8622e1ce8fa6bcbe9c8a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATK952205508
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: TIERKREIS Work No. 41 8/9 (1975-1981) for clarinet and piano: 5. Zwillinge - Gemini · Machine-readable JSON-LD