Totem Ancestor

Recording by John Cage.

Recording identifiers

ISRC
HKI190020415
CopyrightID (CopyrightChains transaction hash)
0x1de2a598fad0e1e77ceb4ef503527ef4750f2be4e131157af532c28b885b22ce
Copyright registration time
2026-07-31T07:51:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:98a94336b01ed8867e13c30ca3b8ae7fcc19fb68722cf9521b3df50952cbaa10

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.