{
  "oags": "0.2",
  "status": "alpha",
  "entry": {
    "id": "IB-transmission-prior-attractor",
    "type": "evidence",
    "claim": "Iterated serial reproduction behaves as a Markov chain whose STATIONARY distribution equals the transmitters' shared prior: chains started from 2.63, 4.19 and 5.76 cm all converged to the same value within about 20 transmissions.",
    "evidence_grade": "E2",
    "state": "verified",
    "primary_source_ref": [
      "Xu & Griffiths 2008/2010 (report cites '2008/10'; exact venue(s) unverified in report)"
    ],
    "quantities": "start points 2.63 / 4.19 / 5.76 cm -> converge within ~20 trials to one shared prior"
  },
  "expand": [
    {
      "rel": "relates",
      "target": "IB-attention-hopfield",
      "href": "https://infoblock.org/b/IB-attention-hopfield/oags.json"
    },
    {
      "rel": "relates",
      "target": "IB-social-homogenizes",
      "href": "https://infoblock.org/b/IB-social-homogenizes/oags.json"
    }
  ],
  "incoming": [
    {
      "rel": "relates",
      "from": "IB-attention-hopfield",
      "href": "https://infoblock.org/b/IB-attention-hopfield/oags.json"
    },
    {
      "rel": "relates",
      "from": "IB-corvid-horizontal-transmission",
      "href": "https://infoblock.org/b/IB-corvid-horizontal-transmission/oags.json"
    },
    {
      "rel": "relates",
      "from": "IB-oral-multiplicative-cues",
      "href": "https://infoblock.org/b/IB-oral-multiplicative-cues/oags.json"
    },
    {
      "rel": "relates",
      "from": "IB-social-homogenizes",
      "href": "https://infoblock.org/b/IB-social-homogenizes/oags.json"
    }
  ],
  "links": [
    "https://infoblock.org/b/IB-attention-hopfield/",
    "https://infoblock.org/b/IB-social-homogenizes/",
    "https://infoblock.org/b/IB-attention-hopfield/",
    "https://infoblock.org/b/IB-corvid-horizontal-transmission/",
    "https://infoblock.org/b/IB-oral-multiplicative-cues/",
    "https://infoblock.org/b/IB-social-homogenizes/"
  ],
  "declared_losses": [
    "Public evidence-graph projection: internal analytic/theory edges and private provenance are withheld by design (empirics-only surface).",
    "Alpha: some primary-source refs are pending precise citation verification."
  ],
  "generated": "2026-07-30"
}