What Once Was

Recording by Enrico Pieranunzi.

Recording identifiers

ISRC
DKEFA2200406
CopyrightID (CopyrightChains transaction hash)
0x129a60a3cc056edac77214b830757ab59c92123e192c4642b0992576013db407
Copyright registration time
2026-07-06T22:58:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9f09d33267804c5f8b735d78b574d811c341419e2b50217ee58f23c8cf23503f

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.