Pith Number

pith:XMSWMDB3

pith:2026:XMSWMDB3Z73NA7PMQSY67W7OSB

not attested not anchored not stored refs pending

Constituency Optimisation Through Hamiltonian Representation Of Mandates (COTHROM): Algorithmic Redistricting of Irish Election Boundaries

Casey Farren-Colloty, Eliza Somerville, Joshua Cooney Mercedal, Matthew Fenlon, Michael A.J. Mitchell, Ruaidhr\'i Campion

arxiv:2606.20637 v1 · 2026-06-02 · cs.AI · cond-mat.stat-mech · cs.CY · 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{XMSWMDB3Z73NA7PMQSY67W7OSB}

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	2026-06-23T00:11:52.182430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb25660c3bcff6d07dec84b1efdbee9044803a86de409cdb0b233d551b0c656c

Aliases

arxiv: 2606.20637 · arxiv_version: 2606.20637v1 · doi: 10.48550/arxiv.2606.20637 · pith_short_12: XMSWMDB3Z73N · pith_short_16: XMSWMDB3Z73NA7PM · pith_short_8: XMSWMDB3

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/XMSWMDB3Z73NA7PMQSY67W7OSB \
  | 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: bb25660c3bcff6d07dec84b1efdbee9044803a86de409cdb0b233d551b0c656c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "606dc53c28c8354d8eec2e53b1bda5a30dc9943a0b6d9399fdaff8f5aded9c67",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-02T09:43:40Z",
    "title_canon_sha256": "a72489537e474e31bbbdb24d825eed22201f4b918c02e117b7c5d3e15983a037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20637",
    "kind": "arxiv",
    "version": 1
  }
}