Pith Number

pith:C45RKKU5

pith:2011:C45RKKU5EAHAIS5E77VHO3V3FJ

not attested not anchored not stored refs pending

Coalitions and Cliques in the School Choice Problem

Adam Azzam, Chaya Coppersmith, Gizem Karaali, Julie Glass, Sinan Aksoy, Xinjing Zhu, Xueying Zhao

arxiv:1104.5474 v2 · 2011-04-28 · math.OC · cs.SI · math.CO · 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{C45RKKU5EAHAIS5E77VHO3V3FJ}

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	2026-05-18T01:22:29.010436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

173b152a9d200e044ba4ffea776ebb2a64bc7337b04f4d20190ad59f9a3d0abb

Aliases

arxiv: 1104.5474 · arxiv_version: 1104.5474v2 · doi: 10.48550/arxiv.1104.5474 · pith_short_12: C45RKKU5EAHA · pith_short_16: C45RKKU5EAHAIS5E · pith_short_8: C45RKKU5

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/C45RKKU5EAHAIS5E77VHO3V3FJ \
  | 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: 173b152a9d200e044ba4ffea776ebb2a64bc7337b04f4d20190ad59f9a3d0abb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c2a53b3eb2781be9fd5c3db7f0da99f9eab45a4a10e9ccecde6e5df244c058a",
    "cross_cats_sorted": [
      "cs.SI",
      "math.CO",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-04-28T19:11:22Z",
    "title_canon_sha256": "861ef0b0ec1de208cbb27b1d3e9e0ecf8ac38fe444351d68af8d15a0b1b8e1e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5474",
    "kind": "arxiv",
    "version": 2
  }
}