pith. sign in
Pith Number

pith:IDBKHZH2

pith:2010:IDBKHZH22POG274QZJVV7W7HUQ
not attested not anchored not stored refs pending

A Population-centric Approach to the Beauty Contest Game

Marc Harper

arxiv:1005.1311 v2 · 2010-05-07 · cs.GT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IDBKHZH22POG274QZJVV7W7HUQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-05-18T02:31:27.815228Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

40c2a3e4fad3dc6d7f90ca6b5fdbe7a4313de247cc272eff692ee6bb27777cb9

Aliases

arxiv: 1005.1311 · arxiv_version: 1005.1311v2 · doi: 10.48550/arxiv.1005.1311 · pith_short_12: IDBKHZH22POG · pith_short_16: IDBKHZH22POG274Q · pith_short_8: IDBKHZH2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IDBKHZH22POG274QZJVV7W7HUQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 40c2a3e4fad3dc6d7f90ca6b5fdbe7a4313de247cc272eff692ee6bb27777cb9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2cec8c4941180de96536e5a6d36cea501adf0ceb54bbf7e136f70a99d0608994",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2010-05-07T23:33:32Z",
    "title_canon_sha256": "de3daf6e0f7684afbd81a325060a3a5a546efbd544a63f3f52dec5c714b8dc7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1311",
    "kind": "arxiv",
    "version": 2
  }
}