Imaginary Soundscape I, Postcard Six

Recording by Carlos Ferreira.

Recording identifiers

ISRC
QZFZ32187782
CopyrightID (CopyrightChains transaction hash)
0x7449d2ffb266d4af02116f0c605e83dc3c1c1e6bf2b1779a0e53dfb22342995f
Copyright registration time
2026-06-09T09:28:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cc04a1feacae9cd3678c26ebcce81dea6f54e23c268469c008aa5ae3e020067f

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.