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Recording by Negativland.

Recording identifiers

ISRC
US39Z0401001
CopyrightID (CopyrightChains transaction hash)
0x216eee75e5d08a4a739a7e6cbaf532335f8ed455aafdf7da83f50ab426d62381
Copyright registration time
2026-07-07T17:29:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f662acb6e8dd2410e4958193dab6a41e8cac8b9b7b2b99a7bb11de0975b2bd5d

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.