Focus

Recording by Fixpen Sill.

Recording identifiers

ISRC
FR0U91501965
CopyrightID (CopyrightChains transaction hash)
0x30d7080c3c175585f452f4154de8abc6e86ee1ad13872287f2de804a79ac1389
Copyright registration time
2026-06-23T19:24:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5d4c01b59da49c00dca2ca5291a30566b34c2d1daeceafc098463aca212b20f9

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.