Pith Number

pith:PKKAIKPN

pith:2011:PKKAIKPNY76OGSC2VXZBNH35SX

not attested not anchored not stored refs pending

A model balancing cooperation and competition explains our right-handed world and the dominance of left-handed athletes

Daniel M. Abrams, Mark J. Panaggio

arxiv:1109.6061 v1 · 2011-09-27 · q-bio.PE · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKKAIKPNY76OGSC2VXZBNH35SX}

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	2026-05-18T02:19:36.629673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a940429edc7fce3485aadf2169f7d95ea7a2fb703381feb33279e2729462066

Aliases

arxiv: 1109.6061 · arxiv_version: 1109.6061v1 · doi: 10.48550/arxiv.1109.6061 · pith_short_12: PKKAIKPNY76O · pith_short_16: PKKAIKPNY76OGSC2 · pith_short_8: PKKAIKPN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PKKAIKPNY76OGSC2VXZBNH35SX \
  | 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: 7a940429edc7fce3485aadf2169f7d95ea7a2fb703381feb33279e2729462066

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a96ad30170254cc23ffa6786105f470978bb20aca819f567363ec147641c2b3",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-09-27T23:37:16Z",
    "title_canon_sha256": "bda1cb2856ad0dd88894cde2db54112a74602a7b935802e87c9889a73ab3c94b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6061",
    "kind": "arxiv",
    "version": 1
  }
}