Yesterday

Recording by Kayba.

Recording identifiers

ISRC
GBLV62119349
CopyrightID (CopyrightChains transaction hash)
0xf174d1e759fcaa47e73855cd6e57fca32d7c8701bd5ec5614c2d30492dbde815
Copyright registration time
2026-06-08T15:18:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c6df37ac6e771e11d622ad82b427b6a997768700076790b59b2aa9d2635e400b

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.