Cancer

Recording by Hans-Ulrich Pohl.

Recording identifiers

ISRC
DENM12100098
CopyrightID (CopyrightChains transaction hash)
0x4ef35daf95fb6f08d851b7f9e6a2a0d7435fbc8ef65f9d41a8c3c724cd994b40
Copyright registration time
2026-07-29T22:20:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59Z
Bitcoin block
960160
Canonical record hash
sha256:a96111ff4586985c357c1e5fbec8e53b2776a27a9e73eccf4ca58941ace624a5

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.