Pith Number

pith:HFJ2GQPH

pith:2010:HFJ2GQPHHAQMOGBQLNJXLB4QKI

not attested not anchored not stored refs pending

Collective Helping and Bystander Effects in Coevolving Helping Networks

Hang-Hyun Jo, Hyunggyu Park, Hyun Keun Lee

arxiv:1003.5023 v1 · 2010-03-26 · physics.soc-ph · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFJ2GQPHHAQMOGBQLNJXLB4QKI}

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	2026-05-18T02:54:31.061339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3953a341e73820c718305b5375879052319d5132a0edd4d8a09f0510db291789

Aliases

arxiv: 1003.5023 · arxiv_version: 1003.5023v1 · doi: 10.48550/arxiv.1003.5023 · pith_short_12: HFJ2GQPHHAQM · pith_short_16: HFJ2GQPHHAQMOGBQ · pith_short_8: HFJ2GQPH

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/HFJ2GQPHHAQMOGBQLNJXLB4QKI \
  | 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: 3953a341e73820c718305b5375879052319d5132a0edd4d8a09f0510db291789

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39f7551c4b98d62d89bb5a8ca23ca0e77177c7874b3b1b6dab5c4a63ad363e9d",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2010-03-26T00:49:11Z",
    "title_canon_sha256": "965c1751bf303531cf9c98a29be7a71091f06306c51f1fbb35914898153c7610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5023",
    "kind": "arxiv",
    "version": 1
  }
}