Pith Number

pith:ISWSBS7H

pith:2019:ISWSBS7H5CEAQ426YQJVFHCX6P

not attested not anchored not stored refs pending

Effects of empathy on the evolution of fairness in group-structured populations

Aming Li, Jian Liu, Yanling Zhang

arxiv:1902.04235 v1 · 2019-02-12 · cs.GT · physics.soc-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISWSBS7H5CEAQ426YQJVFHCX6P}

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	2026-05-17T23:54:12.777026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44ad20cbe7e88808735ec413529c57f3ca146c2052dd899aea06df670b3ddcdb

Aliases

arxiv: 1902.04235 · arxiv_version: 1902.04235v1 · doi: 10.48550/arxiv.1902.04235 · pith_short_12: ISWSBS7H5CEA · pith_short_16: ISWSBS7H5CEAQ426 · pith_short_8: ISWSBS7H

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/ISWSBS7H5CEAQ426YQJVFHCX6P \
  | 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: 44ad20cbe7e88808735ec413529c57f3ca146c2052dd899aea06df670b3ddcdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aeefb78da722c9dfeddb24f74203f8708faa08a1eddfd0b33763ed097024b12",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-02-12T04:36:30Z",
    "title_canon_sha256": "6c93ad803688bfc4a3f39d5b7e9b0d3409b75cb00be45fa120dbf1cbe7b4947d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04235",
    "kind": "arxiv",
    "version": 1
  }
}