Concentration

Recording by Mark Michael.

Recording identifiers

ISRC
GBKQU2025375
CopyrightID (CopyrightChains transaction hash)
0x1874793c4052332a3fae41401f1ea2e6832e738455aeb51a8079e35efa76d935
Copyright registration time
2026-07-06T18:40:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ff7fadb37360a2560f45f6b8e428c528c3d101e1b2666de6aacbd05749e53123

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.