Sunny Day

Recording by Zug Izland.

Recording identifiers

ISRC
US2X60400159
CopyrightID (CopyrightChains transaction hash)
0xbd240ad1746a9978a237c50f6e793d7fbe4df5c3c20e55711a8c4b2aaac4c005
Copyright registration time
2026-06-07T07:21:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:1db43e83840eb5506cd06a844fb235d1f07a6dc2d5862a78b69879e802b1b4b6

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.