Ancient Voices

Recording by Stephen DeRuby.

Recording identifiers

ISRC
QMMQJ1300021
CopyrightID (CopyrightChains transaction hash)
0xe9355370ad16ae0190522bfa7b989dda2435bd83e7b927b9f320ced566b58742
Copyright registration time
2026-07-30T10:10:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T10:42:33Z
Bitcoin block
960247
Canonical record hash
sha256:833e06a9aaf12688d107b66ae4f587d349d769ee0d94d77ad2b51fa7dc9385b6

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.