Klavierstück I

Recording by Karlheinz Stockhausen.

Recording identifiers

ISRC
SE5DH2300302
CopyrightID (CopyrightChains transaction hash)
0x83fb7b1390b34b25776684f264f989737eb7bb6df300edca18ca48025c388aae
Copyright registration time
2026-07-30T16:11:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:61d8480722e0c93423f51e3e483c68c73b326945d44d9e582dcd5a5333e5de67

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.