Hard

Recording by Rebecca & Fiona.

Recording identifiers

ISRC
SEUM71100653
CopyrightID (CopyrightChains transaction hash)
0x1730c7b286c956003a224ab66fba285bcc5f6d02a58b9b3d56ced2163d513a51
Copyright registration time
2026-06-18T15:06:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:36df1ecb10aa3ffd8913b49083569b94de6e95a03a08b921c8cd7951e9a8ba14

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.