No. 026Simulations, in development, opened 10/15/2026
The Finder
Be the alien who finds Voyager 1 and decodes the Golden Record from first principles, every deduction checked against real data.
Built with Opus 5.5
1What is real
- 1Code, design, data builders and testsClaude Code, directed by Stewart GregersonMIT
- 2Voyager Golden Record image tape (1977 Colorado Video master, transfer by Ozma Records, via the Internet Archive)NASA/JPL and the record committee chaired by Carl Sagan; Ozma RecordsRights rest with their owners; credited, not covered by MIT
- 3Voyager Golden Record audio (40th Anniversary Edition remaster)Ozma Records (2017) and the performers listed in docs/CREDITS.mdRights rest with their owners; credited, not covered by MIT
- 4Voyager 3D modelNASA Visualization Technology Applications and DevelopmentNASA media guidelines
- 5Golden Record cover photo GPN-2000-001978NASA/JPLPublic domain
- 6Pioneer plaque vector drawingMysid, via Wikimedia CommonsPublic domain
- 7Milky Way colour map from Gaia EDR3ESA/Gaia/DPAC, A. MoitinhoCC BY-SA 3.0 IGO
- 8ATNF Pulsar Catalogue v2.9.0Manchester, Hobbs, Teoh and Hobbs (2005), CSIROFree use with citation
- 9Pulsar glitch catalogue and Crab ephemerisJodrell Bank Centre for AstrophysicsFree use with citation
- 10HYG Stellar Database v4.2David Nash (astronexus)CC BY-SA 4.0
- 11Gaia DR3ESA/Gaia/DPACFree use with acknowledgement
- 12JPL Horizons ephemeridesNASA/JPL Solar System DynamicsPublic US government data
- 13Fraunces and IBM Plex fonts (landing page)Undercase Type; IBM, via Google FontsSIL OFL 1.1
2How it was built
187 commits, counted from the repository history:
- Opus 5.5187
3Related files
Colophon
Each file here started as a question about whether something could be built: a mechanism, a plateau, an ecosystem, an orbit. They were built with Claude Code and kept with their sources, their status and the models that wrote them. Copy it, pass it on.