Yesterday

Recording by Georg Erixon.

Recording identifiers

ISRC
NO2QV1804010
CopyrightID (CopyrightChains transaction hash)
0x14427b1d5eafec8aaf151c66db535ab65677b5452ba3216011a3262d5600326b
Copyright registration time
2026-06-05T14:19:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:85c4e39aa5ac6a0a0c67236245d03bd6cbeabbf19bef8e560ce2608fecc052a0

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.