Lacun

Recording by Jacob Groening.

Recording identifiers

ISRC
QM4TX1929502
CopyrightID (CopyrightChains transaction hash)
0x38471da71d6476eb6e5266208a48058d5c665fc8b70bf8288b15755b7ea64a5d
Copyright registration time
2026-07-30T23:39:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:58:21Z
Bitcoin block
960330
Canonical record hash
sha256:4ac36f53f7b95a5df8bb5f5f475d5774940944681af4bcab069ac3716b2770c7

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.