Pith Number

pith:GHHDDTIL

pith:2016:GHHDDTILWZIY5X3YG5QQ2FCZMH

not attested not anchored not stored refs pending

Crowdsourcing the Robin Hood effect in cities

Jos\'e J. Ramasco, Juan Murillo Arias, Maxime Lenormand, Thomas Louail

arxiv:1604.08394 v2 · 2016-04-28 · physics.soc-ph · cs.CY · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHHDDTILWZIY5X3YG5QQ2FCZMH}

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	2026-05-17T23:57:33.180176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31ce31cd0bb6518edf7837610d145961c747de9a44b42759fbb64f3dbfe0187f

Aliases

arxiv: 1604.08394 · arxiv_version: 1604.08394v2 · doi: 10.48550/arxiv.1604.08394 · pith_short_12: GHHDDTILWZIY · pith_short_16: GHHDDTILWZIY5X3Y · pith_short_8: GHHDDTIL

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/GHHDDTILWZIY5X3YG5QQ2FCZMH \
  | 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: 31ce31cd0bb6518edf7837610d145961c747de9a44b42759fbb64f3dbfe0187f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "241ecc590dadf4dd724241b15ffd2859125051c380d5b9a87ddaf8019e45814f",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2016-04-28T12:53:58Z",
    "title_canon_sha256": "086b8bba1113cb28dadd1111efad11122bae7d55cf3d0a23ca968ea52b2f55a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08394",
    "kind": "arxiv",
    "version": 2
  }
}