Pith Number

pith:RPC5XHKJ

pith:2013:RPC5XHKJCGAMA5MYC3LZMA4QQC

not attested not anchored not stored refs pending

Digital morphogenesis via Schelling segregation

Andy Lewis-Pye, George Barmpalias, Richard Elwes

arxiv:1302.4014 v6 · 2013-02-16 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPC5XHKJCGAMA5MYC3LZMA4QQC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:35:33.205590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bc5db9d491180c0759816d7960390809b21de2237916241513241580a9567e6

Aliases

arxiv: 1302.4014 · arxiv_version: 1302.4014v6 · doi: 10.48550/arxiv.1302.4014 · pith_short_12: RPC5XHKJCGAM · pith_short_16: RPC5XHKJCGAMA5MY · pith_short_8: RPC5XHKJ

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/RPC5XHKJCGAMA5MYC3LZMA4QQC \
  | 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: 8bc5db9d491180c0759816d7960390809b21de2237916241513241580a9567e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5918c4fe55db625ef8bd6f9119e6cfb6ddeb732c863fc07ccce50dde68088ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-02-16T23:58:55Z",
    "title_canon_sha256": "fbe39c87d42c600be800176e3710a0ad07b212caff35c51b7049932428318311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4014",
    "kind": "arxiv",
    "version": 6
  }
}