American Effigy

Recording by Mark Grundhoefer.

Recording identifiers

ISRC
QZFYY2524274
CopyrightID (CopyrightChains transaction hash)
0x23fa4ef5182b97c081de79c880ea5aa089ba2cdd6419b9d1b9abed4d0db74c33
Copyright registration time
2026-06-08T23:22:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:981ad9817f77417e0a28946a195e995f5e4b7cb2bc707f4b2532a8af3d75416b

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.