Imaginary Soundscape II, Postcard Four

Recording by Carlos Ferreira.

Recording identifiers

ISRC
QZFZ32187780
CopyrightID (CopyrightChains transaction hash)
0x55869fcd6ee235a4f7faf2b8547d68dfeae48a28dc2a8fca1976d3a7af454d15
Copyright registration time
2026-06-10T05:46:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5f083bb0bfa769b1733d7ebea7f2b2c909030974b0fd5e9f0b0f7067e58d9b6e

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.