Worn Down by Time

Recording by Marcus Foster.

Recording identifiers

ISRC
GBK4S1200001
CopyrightID (CopyrightChains transaction hash)
0xca25a8b521872c06f590025a26ddf125e36e7a823c111574b9461dc6c5e2ba36
Copyright registration time
2026-06-20T09:10:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a25dbcd5aceb99f92033632bc673f56f618d753e7a6c7771f0029bbc1ad09865

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.