Gone Are The Days - Piano Jam 4

Recording by Kygo.

Recording identifiers

ISRC
USRC12100865
CopyrightID (CopyrightChains transaction hash)
0x91c631b4b6d9be7f1acd21e3869718f1cb032505351ca71e37e6cc86348c40ce
Copyright registration time
2026-06-06T18:40:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:c0c2c4f6d5dbb7772b05482e185241a389bfda926d0d3cdddf77e0fe65a5969a

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.