bluetime

Recording by Frank Bretschneider.

Recording identifiers

ISRC
US23K0800029
CopyrightID (CopyrightChains transaction hash)
0xf69573d2842b8e3255616961891f64264211a62b0ab893f95dad6b75156a03b7
Copyright registration time
2026-07-31T00:29:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:c6fe8fdb54bdd452703019ffa12a6a557ef197a8257bb54939c2ca07a7ad811d

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.