Non-Exister

Recording by Duchamp.

Recording identifiers

ISRC
QMFME2110337
CopyrightID (CopyrightChains transaction hash)
0xc673c32729694544e78b802fed763c3ef8cc838e95af25b40297866d65992f8a
Copyright registration time
2026-07-30T10:02:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T10:42:33Z
Bitcoin block
960247
Canonical record hash
sha256:b2e6ebc0651019a851eb059893b7b6e18dd8093745a5560a94e3cc967dbf5431

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.