constitution · epochs · watch · epoch 3
comparison.input
ev_d9604cc559739c50fa48ed2f280180f14680a3b6c5cfd25b67672fcbe2043a9f
kindcomparison.input
epoch3
recorded_at_ms1784433122258
previous_event_sha2568f95b3c24ed9e245a7460cd7a280342e563cbaffe6068af272d605d9177900da
schema_version2
links
payload
{
"comparison_id": "cmp_2ceab3e940d4394c239711811c38979418f008f31161a550a7ead419121abe07",
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"side_a": {
"commit_id": "c_55f1cdf12e22d65bdd6b006f465b9668f24c8cb0003f57aae38432996f3a0bb1",
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],
"contributor": "tommy-mor",
"diff": {
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"encoding": "base64",
"sha256": "32612fa76db1c6ef28f0d520dc952d3a194135cf671823a8242f5a23d439771a",
"text": "[00be3a29] invite system"
},
"oid": "sha1:00be3a291b7aced559966ed8928dd313274b536c"
},
"side_b": {
"commit_id": "c_48aeaf9b52c3f3e9ae1ba289cc91723f9f5e6400543cb66354b342ab4bc49e41",
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"text": "[595b3850] Fix star-topology ranking by using degree-based d_max (#146).\n\nA pure forward star at the default `>` ratio (2:1) produced uniform 1/3\nscores, and the alphabetical-fallback sort placed the unambiguous winner\nlast. Root cause: `compute_scores_from_edges` divided by the max sum of\npairwise-normalized weights, so every node ended up with P_ii = 0 \u2014 a\nbipartite Markov chain whose power iteration oscillated and, after the\nconfigured even iteration count, returned to the uniform initial state.\n\nSwitch the divisor to the unweighted max neighbor degree, matching the\ncanonical Rank Centrality definition in Negahban\u2013Oh\u2013Shah 2012 \u00a73.1\n(arXiv:1209.1688, eq. defP and the d_max definition in \u00a76). This gives\nevery non-saturated node a positive self-loop, makes the chain aperiodic,\nand converges the star to \u03c0_zebra = 1/2, \u03c0_alpha = \u03c0_beta = 1/4.\n\nAdd Rust regression test and a Clojure test that drives the sorterc\nbinary against four .sorter fixtures (star, inverse star, chain, cycle).\n\nCo-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>"
},
"oid": "sha1:595b38509b0d0b3445234d3b9d9759a6d6a471cd"
},
"summary": "Comparing c_55f1cdf12e22d6 (tommy-mor) with c_48aeaf9b52c3f3 (tommy-mor)"
}