Pier 57

Recording by Black Market Karma.

Recording identifiers

ISRC
GBT4M2100038
CopyrightID (CopyrightChains transaction hash)
0xca81c78986776123e97ba73bc63f8cf56254d95a212cd04b4b0196ce3053b066
Copyright registration time
2026-06-22T14:23:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d964e85c7745524d1b73f5f1a453906de028908e4a13ec55c4daddb93f3c6b6a

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.