concrete

Recording by Frank Bretschneider.

Recording identifiers

ISRC
US23K0800027
CopyrightID (CopyrightChains transaction hash)
0xd58a0f98221f8aa51afe92d6c91e301f4bf7ceca9b168a83e5ce9ab507046287
Copyright registration time
2026-07-07T06:20:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:a41840e9bf0747f595ed7d31573527d6efbc4737869d8e2bfedada65088de29d

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.