Only Once

Recording by Black Market Karma.

Recording identifiers

ISRC
GBT4M1400005
CopyrightID (CopyrightChains transaction hash)
0x7072c26972e19591daa93e63704ae64c9eb3c3d9dafa41f1d24844990599b76d
Copyright registration time
2026-07-06T06:43:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:ad079a18263c4ebf3d64634d21ceceff5c3bcdc8af71ce7c89fac955e7a4bbbd

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.