Don't Hold Back

Recording by Nicky Blackmarket.

Recording identifiers

ISRC
QMKKH2201544
CopyrightID (CopyrightChains transaction hash)
0x1e2c84ea013cd7f188e305f772033967a41b81647b721ce52d18b630932a35e1
Copyright registration time
2026-07-29T23:59:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:11:40Z
Bitcoin block
960173
Canonical record hash
sha256:ef3686ed61c1f09e60613d8fc76884aa7c985e312716bf3f5654b19d43f45a82

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.