Pith Number

pith:D5RFPJFG

pith:2018:D5RFPJFGBMQCBZS4JRH36BG335

not attested not anchored not stored refs pending

A partial differential equations approach to defeating partisan gerrymandering

Matt Jacobs, Olivia Walch

arxiv:1806.07725 v1 · 2018-06-17 · 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{D5RFPJFGBMQCBZS4JRH36BG335}

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.

Cited by

1 paper in Pith

Packing Compact Subgraphs with Applications to Districting

Receipt and verification

First computed	2026-05-18T00:12:46.848000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f6257a4a60b2020e65c4c4fbf04dbdf69dd0caf2ac113b7e0cb9d6db2d22b1b

Aliases

arxiv: 1806.07725 · arxiv_version: 1806.07725v1 · doi: 10.48550/arxiv.1806.07725 · pith_short_12: D5RFPJFGBMQC · pith_short_16: D5RFPJFGBMQCBZS4 · pith_short_8: D5RFPJFG

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/D5RFPJFGBMQCBZS4JRH36BG335 \
  | 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: 1f6257a4a60b2020e65c4c4fbf04dbdf69dd0caf2ac113b7e0cb9d6db2d22b1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2afe94b5be5a3b57efb20aa0b88321eca9571b2bd6efdba6c6c80ab4c4c163b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-06-17T02:44:33Z",
    "title_canon_sha256": "20d9fe39df575a408a1738fbb22c9d885447f9e9d4d2b09294f2c5ac9c1e48f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07725",
    "kind": "arxiv",
    "version": 1
  }
}