Pith Number

pith:T5GEFLXF

pith:2013:T5GEFLXF5MBGQ27CJB5NTX3HTR

not attested not anchored not stored refs pending

Self-organization versus top-down planning in the evolution of a city

Henri Berestycki, Marc Barthelemy, Maurizio Gribaudi, Patricia Bordin

arxiv:1307.2203 v1 · 2013-07-08 · physics.soc-ph · cond-mat.dis-nn · cs.SI · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T5GEFLXF5MBGQ27CJB5NTX3HTR}

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	2026-05-18T03:18:51.040250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f4c42aee5eb02686be2487ad9df679c79e1e6418338855eb4cf8ca787727c4d

Aliases

arxiv: 1307.2203 · arxiv_version: 1307.2203v1 · doi: 10.48550/arxiv.1307.2203 · pith_short_12: T5GEFLXF5MBG · pith_short_16: T5GEFLXF5MBGQ27C · pith_short_8: T5GEFLXF

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/T5GEFLXF5MBGQ27CJB5NTX3HTR \
  | 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: 9f4c42aee5eb02686be2487ad9df679c79e1e6418338855eb4cf8ca787727c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b3b688d30bf5394ecfd04a16590319ad515059087217934b4a0e8a75c00f9e2",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cs.SI",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-07-08T18:59:59Z",
    "title_canon_sha256": "7b4a9848387c4e13c6e6ec77f28a1d4176ae61100a2036f2b7d678df81031ca6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2203",
    "kind": "arxiv",
    "version": 1
  }
}