Untitled, Saturday

Recording by Carlos Ferreira.

Recording identifiers

ISRC
US83Z2141287
CopyrightID (CopyrightChains transaction hash)
0x3aabbdb9f8b10f73871c3abf9246525e1806c53295ed68429775f109e665e2c9
Copyright registration time
2026-06-18T18:57:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f0f923c353e779877c31530f2fd0e963c8d7b7edd5d6c58e73ffd743bb27a003

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.