Pith Number

pith:HGOD7HNC

pith:2015:HGOD7HNC7CMAM5RESCKO5KZ6HK

not attested not anchored not stored refs pending

Minority population in the one-dimensional Schelling model of segregation

Andy Lewis-Pye, George Barmpalias, Richard Elwes

arxiv:1508.02497 v2 · 2015-08-11 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGOD7HNC7CMAM5RESCKO5KZ6HK}

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	2026-05-18T01:35:26.359507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

399c3f9da2f8980676249094eeab3e3ab51c3c9c786a8143c63d32ba4c5abdf1

Aliases

arxiv: 1508.02497 · arxiv_version: 1508.02497v2 · doi: 10.48550/arxiv.1508.02497 · pith_short_12: HGOD7HNC7CMA · pith_short_16: HGOD7HNC7CMAM5RE · pith_short_8: HGOD7HNC

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/HGOD7HNC7CMAM5RESCKO5KZ6HK \
  | 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: 399c3f9da2f8980676249094eeab3e3ab51c3c9c786a8143c63d32ba4c5abdf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0376e49147250d17955d81d289bd770f6038f30598b7c41576e96fc71f1e317a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-08-11T07:18:14Z",
    "title_canon_sha256": "ddf4cd45788fa2cc6eb1b22f30e5c6148c3e5e458af786daabcc18abef3fa42a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02497",
    "kind": "arxiv",
    "version": 2
  }
}