Monochrome Days

Recording by Thomas Leer.

Recording identifiers

ISRC
GBR8R2100211
CopyrightID (CopyrightChains transaction hash)
0xe993a61cebcefef8f25d05b25a85c57779755e1c8a068c417ea5ad4522d25bac
Copyright registration time
2026-07-06T23:18:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d109d716ed62fed9a196fbb344506f843fcaba064b3a35a549e879c3f7ddcde3

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.