HARD

Recording by SOPHIE.

Recording identifiers

ISRC
GB7CH1400005
CopyrightID (CopyrightChains transaction hash)
0xed4744f1971661b587866cf47e1c0bc164d2ba9e6fa0370f22b00971a8bcdcfa
Copyright registration time
2026-06-04T11:30:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ba579ec4d589c1c21d4651bb62d265dd89cc0dc8ac846765c21c25371f35461e

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.