Winter Song

Recording by Charly Efe.

Recording identifiers

ISRC
USL4Q1738525
CopyrightID (CopyrightChains transaction hash)
0xcbedf118e774a70085565b9a484080ed1b7deb186e88dc952e6dbc6d9e19811b
Copyright registration time
2026-07-30T18:13:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:70292e26e416bf879bc9e7f80f6d79f66efc963957d07d452bc189296da39a01

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.