POSTHUMOUS

Recording by BLCKK.

Recording identifiers

ISRC
QZQAY2591020
CopyrightID (CopyrightChains transaction hash)
0x1a26295201212526b782df7a1ed8227118519e4bfde563ce27610e0e575b2962
Copyright registration time
2026-06-07T03:56:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:8e71972711f258efc1cb6ca2ed7160785189be588f82c9c4b0414cedbc02fe05

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.