Yesterday Has Come - Original Club Mix

Recording by Chemical Surf.

Recording identifiers

ISRC
CH3131613202
CopyrightID (CopyrightChains transaction hash)
0x11f5261130649b064ccc553843e83537aade69ab175b978ea9106fc3725f40cd
Copyright registration time
2026-07-06T07:34:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:adbc3d465d02b5222dcec6a21cf14d56fbc0d08b85725cb5709b5568d7e53cc3

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.