Yesterday

Recording by Andre Kostelanetz.

Recording identifiers

ISRC
USSM10113595
CopyrightID (CopyrightChains transaction hash)
0x81ee27a21eb2184af8c11d9b44c8e03a9e40c6ee1f40a099e75d9b114063a6e8
Copyright registration time
2026-07-31T15:27:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:59:18Z
Bitcoin block
960427
Canonical record hash
sha256:1a9052061bea3c4d756cf4c95561c08cd1170aa26d5f4c6c611da5628e52037c

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.