Pith Number

pith:3EFSA7P7

pith:2018:3EFSA7P7LVL7CMTJXCWMAIS4AA

not attested not anchored not stored refs pending

Enhancement of cooperation through conformity-driven reproductive ability

Han-Xin Yang, Lijun Tian

arxiv:1802.01261 v1 · 2018-02-05 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3EFSA7P7LVL7CMTJXCWMAIS4AA}

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	2026-05-18T00:23:27.134210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d90b207dff5d57f13269b8acc0225c0010b375f6961d14eef92b84735955c5b4

Aliases

arxiv: 1802.01261 · arxiv_version: 1802.01261v1 · doi: 10.48550/arxiv.1802.01261 · pith_short_12: 3EFSA7P7LVL7 · pith_short_16: 3EFSA7P7LVL7CMTJ · pith_short_8: 3EFSA7P7

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/3EFSA7P7LVL7CMTJXCWMAIS4AA \
  | 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: d90b207dff5d57f13269b8acc0225c0010b375f6961d14eef92b84735955c5b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40186974a98e361f0928d7454216ca87a407caf5a3bd327ebfb7dc09e66ca52c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-02-05T04:22:03Z",
    "title_canon_sha256": "5f6eb5023eb711dc89d213ca3e31c94599656005cf63fd1b9e80b3772bf808e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01261",
    "kind": "arxiv",
    "version": 1
  }
}