Pith Number

pith:HXX57DVP

pith:2007:HXX57DVPLHNMM3JQAJFLLSENSG

not attested not anchored not stored refs pending

Cooperation and the Emergence of Role Differentiation in the Dynamics of Social Networks

(2) Universidad de Buenos Aires, (3) Universidad de las Islas Baleares, Argentina, Camilo J. Cela-Conde (3), Mart\'in G. Zimmermann (2), Maxi San Miguel (1) ((1) IMEDEA (CSIC-UIB), Spain, Spain), V\'ictor M. Egu\'iluz (1)

arxiv:0712.1351 v1 · 2007-12-09 · 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{HXX57DVPLHNMM3JQAJFLLSENSG}

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	2026-05-18T04:20:04.007990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3defdf8eaf59dac66d30024ab5c88d91b28db3524261c9e900f015357f1d7721

Aliases

arxiv: 0712.1351 · arxiv_version: 0712.1351v1 · doi: 10.48550/arxiv.0712.1351 · pith_short_12: HXX57DVPLHNM · pith_short_16: HXX57DVPLHNMM3JQ · pith_short_8: HXX57DVP

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/HXX57DVPLHNMM3JQAJFLLSENSG \
  | 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: 3defdf8eaf59dac66d30024ab5c88d91b28db3524261c9e900f015357f1d7721

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4994d5e57328678d4382d4e6618a992d3469156b5773af096338eb12ffd454a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2007-12-09T19:46:01Z",
    "title_canon_sha256": "d47afd91a9e222a801a643afdcf8bd768c46c9f17610055d22cd3eb7b25104d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1351",
    "kind": "arxiv",
    "version": 1
  }
}