Matilda

Recording by Portland.

Recording identifiers

ISRC
TCADO1816980
CopyrightID (CopyrightChains transaction hash)
0xb925302d176371b47cef1f49a55e1ec247f6a23456e7ebb723848405a774bdc0
Copyright registration time
2026-06-06T07:04:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:76da319a2a8e7b296980cb6eaba4e6f2f9f7f6d3833de08678e73e6c73541b25

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.