Concrete

Recording by Crystal Castles.

Recording identifiers

ISRC
GBUM71603217
CopyrightID (CopyrightChains transaction hash)
0x7d5694f06a808fec4a1b99c579a335c142b24366cb767d23137c47a95dfcc85f
Copyright registration time
2026-06-04T09:08:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:0c2f60402f4e93a2589620a3c42f5de3e1bf014f106c9f990d0917a2c2ffb8ed

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.