Yesterday

Recording by Martin Mix.

Recording identifiers

ISRC
NLDD62000142
CopyrightID (CopyrightChains transaction hash)
0x6ccef2259c79032d68aae3c7ac103922cf69382456e2b21df8367453fbeba8e1
Copyright registration time
2026-07-07T03:47:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a698a8647e4232c48b1a91b48a640022a88058fad5c527eeb8b5a5053cd44ece

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.