Pith Number

pith:FQZ26JP3

pith:2013:FQZ26JP3C7U46XGLU7XWOJL66D

not attested not anchored not stored refs pending

School Choice as a One-Sided Matching Problem: Cardinal Utilities and Optimization

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

arxiv:1304.7413 v2 · 2013-04-28 · math.OC · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQZ26JP3C7U46XGLU7XWOJL66D}

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	2026-05-18T03:26:51.910603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c33af25fb17e9cf5ccba7ef67257ef0cba45152cbabecd2192dee3ea2e9ee14

Aliases

arxiv: 1304.7413 · arxiv_version: 1304.7413v2 · doi: 10.48550/arxiv.1304.7413 · pith_short_12: FQZ26JP3C7U4 · pith_short_16: FQZ26JP3C7U46XGL · pith_short_8: FQZ26JP3

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/FQZ26JP3C7U46XGLU7XWOJL66D \
  | 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: 2c33af25fb17e9cf5ccba7ef67257ef0cba45152cbabecd2192dee3ea2e9ee14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcf79e37344759d8c6dfa14bf9fd11d679bb62d4b225e3ba89d12f4c72e6ddb0",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-04-28T01:43:12Z",
    "title_canon_sha256": "c0a46abeda68dfad9b4ab5245bc62f69324501044c716cd0d73caa29f05ed1f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7413",
    "kind": "arxiv",
    "version": 2
  }
}